Doomingsland
01-03-2008, 19:20
AVIR Advanced Personal Weapon System
http://img252.imageshack.us/img252/1459/javirad1df7.png
Overview
The AVIR Advanced Personal Weapon System is the culmination of decades of research and experimentation by two of the world's most respected manufacturers of infantry arms: Doomingsland Defense Industries and Stalwart Munitions. It was built from the ground up to be the ultimate infantry weapon: the perfect assault rifle. The AVIR was designed alongside servicemen from both the Imperium Doomanum and the Central State of Agrandov to provide engineers with a precise idea of just what it was the infantry wanted. The result of this development was an extremely versitile weapon system: found in the form of a short-barreled carbine, the AVIR Personal Defense Rifle (PDR); a moderate-length barreled assault rifle, the AVIR Service Rifle (SR); and a long-barreled squad assault weapon, the AVIR Infantry Automatic Rifle (IAR); each system performing flawlessly in its role.
The story of the AVIR begins Doomingsland Defense Industries' flawed, short-lived DR-31 assault rifle. If one ever handled a DR-31, one would immediately notice a striking similarity to the newer AVIR: both weapons are bullpups fed from large capacity helical magazines and are constructed primarily from composites and chambered for a 6.7mm cartridge. That, however, is where the similarities end. There is, of course, a reason for the DR-31 being so short lived. Despite being ahead of its time, the technologies used with the weapon were simply impractical: rounds were electronically initiated as opposed to a conventional hammer or striker fire system, forcing the rifle to use a battery. The idea of needing a battery just to fire their rifle put off alot of soldiers that used the weapon. Its caseless 6.7x41mm cartridge was also prone to misfires when exposed to the elements as well as being difficult to manufacture, and the weapon's blowback operation did virtually nothing to aleviate the sharp recoil this round produced, making it extremely difficult to utilize in automatic or even burst. This was certainly a bad thing, especially considering that the rifle was designed with close quarters engagements specifically in mind.
However, the DR-31 was, as mentioned before, ahead of its time. It was extremely light, ergonomical, and had superb magazine capacity. The overall idea of the weapon was not abandoned with the scrapping of the weapon, and some thirteen years after the last of the Exercitus' DR-31 stocks were sold off and their older DR-83s taken back out of retirement, a newer incarnation of the weapon arrives.
It is interesting to note that the AVIR project was extremely underfunded on the part of DDI due to the extreme degree of success the DR-83 family of weapons was seeing and because of the lack of interest on the part of the Exercitus in phasing out the DR-83 within the next fifty plus years. As a result of this, Doomingsland Defense Industries ended up seeking a partnership with Stalwart Munitions regarding the AVIR project.
The early AVIR program drew upon the various prototypes built by Stalwart Munitions, most notably the XE-37 that showed promising results at the prototype phase, but was never put into further production. The XE-37 was a caseless bullpup weapon with a free-floating barrel that proved to be extremely accurate, but unreliable and poorly balanced. The unseen XE-45 was meant as an expansion to the same line, but was quickly cancelled due to a political change in Agrandov that drastically reduced the income of SPMC and its subsidiary, Stalwart Munitions. With the development of Stalwart Munitions into the international market, however, as well as SPMC landing a series of extremely lucrative government contracts, the infamously inventive R&D department had money to burn.
Stalwart Munitions propped up the early development of the AVIR assault rifle, earning little interest from Doomingsland Defense Industries during the design phase of what they saw as another technical oddity, to join the DR-31 and the G11. This suspicion was soon cleared however, as within just one year Stalwart Munitions had developed the XA-Mk.III; an AVIR forerunner that served as an early prototype and embodied much of what the AVIR would become. At this point the capable technicians at DDI were soon involved, with frequent trades of prototypes and designs between both corporations. With the involvement of such a high profile arms manufacturer, the Agrandan government soon became interested in the adoption of the weapon in the Agrandan Army. Governmental red tape was soon replaced by gratuitous funding, and the AVIR project accelerated in pace and achievement.
By the second year, a field-ready prototype of the AVIR was produced in significant quantities by Stalwart Munitons for testing purposes. These models were the first to use the building materials found in the final AVIR, which had been previously developed with the SSA1 and SSB1 weapons currently in use with Stalwart PMC. The efforts of Stalwart Munitions, combined with the latest developments in Cased-Telescopic Ammunition from Doomingsland Defense Industries, were able to retrieve results of the AVIR’s performance in battlefield conditions. Stalwart Munitions was able to gather extensive ballistics data on the 6.7x35mm CTA round, including some disturbingly accurate predictions on the effect of this round used against a human target. This data was backed up by similar experiments on the part of DDI; by this time the project had sparked the interest of several Doomani government agencies and had recieved additional funding, and as such DDI's ballistics experiments were even more extensive.
Stalwart Munitions and Doomingsland Defense Industries engaged in the full array of torture tests for the final generation of AVIR prototypes, which exceeded expectations in terms of strength and reliability. The first batches of production model AVIR rifles, carbines, and infantry automatic rifles were recieved by the Agrandan Army and special operations units of the Doomani ODIM for testing, and quickly earned the respect and praise of those that used it. It was finally approved for full issuing in the Doomani Exercitus on March 1st, 2028 (Doomani Standard Calendar).
Technical Description
The AVIR is a light-weight, gas-operated, air-cooled, select-fire rifle chambered for the 6.7x35mm CTA cartridge. A key note of the weapon's design is that it utilizes a bullpup layout, meaning that the trigger group is actualy in front of the magazine feed and reciever, allowing for a longer barrel in a shorter overall package, and thus a more accurate weapon. Unlike the vast majority of previous mass-marketted Doomingsland Defense Industries infantry weapons, the AVIR's reciever and indeed, the majority of the weapon, is constructed of a composite material as opposed to steel. A carbon fiber-reinforced polymer composite, the material is 40% stronger and 40% lighter than aluminum and is impossible to corrode through moisture exposure. The resulting product is an extremely durable and unbelievably lightweight weapon system that continues to baffle those who use it in regards to those qualities. The barrel, the major steel component of the weapon, is by no means fragile either: forged from 4150 chrome molybendum, it is an extremely accurate component and a rediculously durable one. The AVIR is capable of taking all of the punishment required for usage in the vaunted Doomani Exercitus and then some: the fact that an army that refused to convert to polymer weapons well into the 21st century on the basis that steel weapons are more durable has now selected the AVIR as its new service rifle certainly says something about the weapon.
Despite the extremely modern look of the weapon, the AVIR's internals are surprisingly simple compared to other weapons: striving for the highest degree of reliability possible without sacrificing accuracy or combat effectiveness, the design team behind the weapon chose to go with a gas piston operated design, with the proven rotating bolt system for the locking mechanism. However, the AVIR's gas system is a balanced long stroke system: two gas pistons are used, one built into the bolt group with the other being connected to a steel balancing weight. Rearward movement of the counter-piston causes foward movement of the balancing weight, eliminating three out of four recoil impulses generated by firing the weapon. This reduces recoil on fully automatic fire by an extremely large degree, meaning that in bursts of fully automatic fire the weapon is far more controllable and accurate than comparable weapons.
The AVIR's short bolt travel also means that the weapon has a very high rate of fire: 1100 rounds per minute. It must be noted that if this were to be the weapon's standard rate of fire on fully automatic, it would be extremely difficult to control even with the balanced gas system; however, in short bursts of two rounds, the extremely high rate of fire makes the bursts extremely accurate, generating very tight groups meaning that said bursts will be able to shatter ceramic trauma plates of an armored vest with the first round and pierce the armor and kill the enemy soldier with the second. However, DDI came up with a novel method of aleviating the problem of the uncontrollable fully automatic function while maintaining the extreme advantage of the bursts. The weapon's fire control group is fairly unusual for a rifle in that when toggled to the 'A' setting, the trigger features a dual stage pull. The first stage of the pull, breaking at a crisp four pounds, fires a two round burst at the standard rate of fire of eleven hundred rounds per minute. However, if the shooter were to pull the trigger all the way through to the second stage (breaking at six pounds), the fire control group engages an ROF limiter, which consists of a rubber coated steel rod that engages the (fitting in a purpose designed groove) bolt on its rearward travel, slowing the rate of fire down to a highly controllable six hundred-fifty rounds per minute. This lower rate of fire combined with the balanced gas system makes the AVIR extremely controllable when fired on full auto, whilst the 2-round burst function ensures that the rifleman can easily and reliably neutralize armored infantry; all this without the hassle of having to toggle a selector switch between these settings, which is certain to be extremely helpful during CQB and ambush situations.
The AVIR is also one of the few infantry rifles on the market to utilize a helical magazine. The magazine is cylindrical with the rounds arranged in a helical manner around the inside wall of the magazine along a 'track'. At the base of the track is the follower, which pushes the rounds along the track during its operation. The spring must be wound in order to compress it and retract the follower during the loading of the magazine; however, the advantages of this arrangement are obvious: The AVIR's magazine holds a total of fifty rounds, vastly exceeding the majority of comparitive foreign rifles in that area and giving the AVIR-armed rifleman a distinct advantage over his opponent. The magazines are constructed of transparent polymer, making for a lightweight, durable package that allows for the infantryman to quickly glance down and see how much ammunition he has left in his magazine. However, the AVIR's magazine cache had to be specially designed to accomodate a helical magazine: at the press of the magazine release, the spring-loaded butt assembly swivels upwards. The shooter, still holding down the magazine release, can then tilt the weapon upwards, allowing for the empty magazine to slide out.
As with previous DDI and SPMC weapons, the AVIR is extremely ergonomical and fully ambidextrous. The weapon features a thumbhole stock and comes packaged with a thumbhole foregrip that mounts to the bottom accessory rail. The weapon's operating rod features two charging handles, located on the right and lefthand side of the weapon. The charging handles are designed to fold up against the frame when not in use, so the shooter doesn't have to worry about having one of them digging into him when shouldering the AVIR. The selector switch (located on the left hand side of the weapon) is easily accessable by the thumb of the shooter without he or she having to take their finger off of the trigger. Perhaps the biggest complaint against bullpup weapons is that left handed shooters cannot use them comfortably, as the ejection port would spit shells right at them. While many armies train all of their personnel, be they left or right handed, to shoot right handed, there are instances on the battlefield when a soldier may need to fire his weapon left handed: it is a universal truth that not all corners are right handed. As such, aleviating this problem was a major concern to the AVIR's design team. A forward ejecting layout was considered but rejected in favor of a more reliable system: the AVIR actualy features not one, but two ejection ports, on either side of the weapon. While this could have presented a variety of reliability problems, the AVIR's designers added a shell deflector to both ejection ports. The design in this sector requires that, in order for one shell deflector to be in the open position, the one on the other side must be in the closed position, otherwise it will not open (both, however, can be closed at the same time to protect the chamber when the weapon is not in usage if the bolt is locked back), which in effect allows for the shooter to choose which side of the weapon the shells eject from. The AVIR also features two sling points and, as per Doomani requirements, a bayonet lug. The barrel is threaded, allowing for the attachement of a variety of accessories, including sound and flash suppressors as well as muzzle breaks. The AVIR comes packaged with a combination flash suppressor/muzzle break, which greatly reduces muzzle climb and felt recoil.
The AVIR is capable of maintaining a wide variety of combat optics, ranging from holographic sights to magnification sights to red dot scopes, all thanks to its top-mounted piccatinny rail. In fact, the Oculus Corporation is currently offering two brand new sights (a non-powered illuminating magnification sight and an electronic holographic sight) designed specifically with the AVIR in mind, although both are certainly capable of being used with other weapons. However, the AVIR's iron sights are superb in their own right: featuring tritium inserts, they are capable of being used both during the day and at night. The sights are folding, allowing for them to be folded out of the way when optics have been mounted. The rear sight is an aperture sight (adjustable for range and windage), with its range settings going out to 1,000 meters, while the front sight is a post sight. The AVIR features three more accessory rails, two on the sides and one more on the bottom, for the mounting of more accessories, such as lasers, flashlights, foregrips (such as the one packaged with the rifle), and even a new variant of DDI's LGFM 40mm grenade launcher, the LGFM.II, designed specifically for use with the AVIR.
http://img238.imageshack.us/img238/4102/avir2mk0.png
http://img505.imageshack.us/img505/8649/avir2bvp1.png
Field-stripping the AVIR is an extremely simple operation: the weapon consists of an upper and lower reciever, ensuring that the weapon can be modified and upgraded extensively for years to come, and these easily seperate via push pins (which are permenantly attached to the upper reciever to prevent them from becoming lost). Once the upper and lower reciever have been seperated, the shooter can then easily remove the entire bolt group (the bolt being connected to its piston, with the secondary piston and its balancing weight being a seperate component) for cleaning, although the AVIR is so reliable that cleaning is hardly a requirement. In fact, as part of DDI and SPMC's final torture tests, the AVIR fired a total of 10,000 rounds straight without a single failure. A cleaning kit is stored in a compartment in the forearm of the weapon, below the barrel.
The AVIR features three distinct variants. The first variant is designated the AVIR Service Rifle, or AVIR SR. This weapon features an 18" barrel and is the most common variant, being designed as a standard issue weapon for use by riflemen. The second variant is the AVIR Personal Defense Rifle, or AVIR PDR. This variant is essentially a carbine and PDW rolled into one, suitable for usage by special forces, vehicle and aircraft crew, logistics personnel, police, even bodyguards due to its small size. Despite its short overall length, it still maintains a 16" barrel, which is longer than most carbines, let alone PDWs, giving it very impressive capabilities in terms of accuracy. The final variant is the AVIR Infantry Automatic Rifle, or AVIR IAR. The AVIR IAR is the light machinegun variant of the AVIR, boasting a heavy 20" barrel more suited to sustained automatic fire and issued with a rail-mounted bipod.
http://img.photobucket.com/albums/v383/Doo...cfinal6wp71.png (http://img.photobucket.com/albums/v383/Doomingsland/helicfinal6wp71.png)
A new cartridge was designed for use with the AVIR: the 6.7x35mm CTA cartridge. While it is by no means on the same level of performance as the wildly popular 6.7x53mm cartridge fired by the DR-83 series and other rifles, it has far less recoil due to the fact that it is a proper 'intermediate' round whereas the larger round was in fact a full-sized cartridge, and the DR-83 was essentially a battle rifle, not an assault rifle. The new 6.7mm round, while having less recoil, still maintains an extremely high degree of accuracy and terminal performance. In its standard load, the 6.7x35mm CTA cartridge puts a 110 grain projectile downrange at velocities exceeding 2,700 feet per second out of an 18" barrel, hitting its target with over 1,780 foot pounds of energy. Performance at range is also excellent thanks to the relatively heavy round.
A key advantage of the 6.7x35mm round is its unusual design: it is a cased telescoping round, meaning that the actual projectile is set within the case, with the powder all around it. This creates a much shorter, more volume effecient round, one that is ideal for usage with the AVIR's 50-round helical magazine. In addition, the casing is constructed of composite material, creating a round that is in effect 40% lighter than a round of comparable power with a brass case. The current primary export load for the 6.7x35mm CTA cartridge is the APHP (armor piercing hollowpoint). This particular round features a steel core surrounded by a copper jacket, the tip of which is designed on the basis of a hollowpoint. When impacting a target, such as a person, the jacket expands outwards, while the steel core continues through into the target, hopefully yawing and causing even more damage. This allows for both a large entry wound and the possibility of the steel core causing even more internal damage to the target. When used against armored targets, the jacket would essentially flatten against the target while the narrower steel core would be able to follow through, hopefully penetrating the armor. The result is a round that is extremely lethal against unarmored targets while still being capable of penetrating armor. This is only one of many loads for the versitile 6.7x35mm CTA cartridge, others including jacketed hollowpoint (JHP), full metal jacket (FMJ), frangible (FG), armor piercing (AP), and a variety of tracer rounds.
Technical Specifications
Type- Advanced Personal Weapon System
Caliber- 6.7x35mm CTA
Muzzle Velocity-
-SR: 2,725 FPS
-PDR: 2,650 FPS
-IAR: 2,800 FPS
Operation- Balanced long stroke gas piston, rotating bolt
Barrel Length-
-SR: 18 inches
-PDR: 16 inches
-IAR: 20 inches
Overall Length-
-SR: 32.5 inches
-PDR: 30.5 inches
-IAR: 34.5 inches
Weight-
-SR: 4.7lbs unloaded/5.95lbs loaded
-PDR: 4.4lbs unloaded/5.65lbs loaded
-IAR: 5lbs unloaded/ 6.25lbs loaded
Feed- 50 round helical magazine
Effective Range-
-SR: 800 meters
-PDR: 650 meters
-IAR: 1,000 meters
Rifling- 4 grooves, 1:10 right hand
Rate of Fire- 650 on fully automatic, 1100 burst
Fire Modes- Semi Automatic; 2-rd Burst/Automatic (depending on trigger pull)
Export Cost- $2000
DDI and SPMC are proud to offer Domestic Production Rights for the AVIR under the following conditions:
-An order of 5 million AVIR variants must be placed.
-A royalty of 5% shall be levied on every rifle produced under liscence.
-A binding contract preventing the purchaser from exporting domestically produced AVIR rifles must be signed in addition to non disclosure agreements regarding the factory tooling used to build the weapons.
DDI and SPMC will henceforth be offering one thousand round steel ammo cans of 6.7x35mm CTA APHP ammunition at a cost of $300 each, including shipping. Production rights for the 6.7x35mm CTA cartridge are available for a nominal cost of $50,000,000.
SEE ALSO: ADEC Light Machinegun (http://forums2.jolt.co.uk/showthread.php?t=554972)
http://img252.imageshack.us/img252/1459/javirad1df7.png
Overview
The AVIR Advanced Personal Weapon System is the culmination of decades of research and experimentation by two of the world's most respected manufacturers of infantry arms: Doomingsland Defense Industries and Stalwart Munitions. It was built from the ground up to be the ultimate infantry weapon: the perfect assault rifle. The AVIR was designed alongside servicemen from both the Imperium Doomanum and the Central State of Agrandov to provide engineers with a precise idea of just what it was the infantry wanted. The result of this development was an extremely versitile weapon system: found in the form of a short-barreled carbine, the AVIR Personal Defense Rifle (PDR); a moderate-length barreled assault rifle, the AVIR Service Rifle (SR); and a long-barreled squad assault weapon, the AVIR Infantry Automatic Rifle (IAR); each system performing flawlessly in its role.
The story of the AVIR begins Doomingsland Defense Industries' flawed, short-lived DR-31 assault rifle. If one ever handled a DR-31, one would immediately notice a striking similarity to the newer AVIR: both weapons are bullpups fed from large capacity helical magazines and are constructed primarily from composites and chambered for a 6.7mm cartridge. That, however, is where the similarities end. There is, of course, a reason for the DR-31 being so short lived. Despite being ahead of its time, the technologies used with the weapon were simply impractical: rounds were electronically initiated as opposed to a conventional hammer or striker fire system, forcing the rifle to use a battery. The idea of needing a battery just to fire their rifle put off alot of soldiers that used the weapon. Its caseless 6.7x41mm cartridge was also prone to misfires when exposed to the elements as well as being difficult to manufacture, and the weapon's blowback operation did virtually nothing to aleviate the sharp recoil this round produced, making it extremely difficult to utilize in automatic or even burst. This was certainly a bad thing, especially considering that the rifle was designed with close quarters engagements specifically in mind.
However, the DR-31 was, as mentioned before, ahead of its time. It was extremely light, ergonomical, and had superb magazine capacity. The overall idea of the weapon was not abandoned with the scrapping of the weapon, and some thirteen years after the last of the Exercitus' DR-31 stocks were sold off and their older DR-83s taken back out of retirement, a newer incarnation of the weapon arrives.
It is interesting to note that the AVIR project was extremely underfunded on the part of DDI due to the extreme degree of success the DR-83 family of weapons was seeing and because of the lack of interest on the part of the Exercitus in phasing out the DR-83 within the next fifty plus years. As a result of this, Doomingsland Defense Industries ended up seeking a partnership with Stalwart Munitions regarding the AVIR project.
The early AVIR program drew upon the various prototypes built by Stalwart Munitions, most notably the XE-37 that showed promising results at the prototype phase, but was never put into further production. The XE-37 was a caseless bullpup weapon with a free-floating barrel that proved to be extremely accurate, but unreliable and poorly balanced. The unseen XE-45 was meant as an expansion to the same line, but was quickly cancelled due to a political change in Agrandov that drastically reduced the income of SPMC and its subsidiary, Stalwart Munitions. With the development of Stalwart Munitions into the international market, however, as well as SPMC landing a series of extremely lucrative government contracts, the infamously inventive R&D department had money to burn.
Stalwart Munitions propped up the early development of the AVIR assault rifle, earning little interest from Doomingsland Defense Industries during the design phase of what they saw as another technical oddity, to join the DR-31 and the G11. This suspicion was soon cleared however, as within just one year Stalwart Munitions had developed the XA-Mk.III; an AVIR forerunner that served as an early prototype and embodied much of what the AVIR would become. At this point the capable technicians at DDI were soon involved, with frequent trades of prototypes and designs between both corporations. With the involvement of such a high profile arms manufacturer, the Agrandan government soon became interested in the adoption of the weapon in the Agrandan Army. Governmental red tape was soon replaced by gratuitous funding, and the AVIR project accelerated in pace and achievement.
By the second year, a field-ready prototype of the AVIR was produced in significant quantities by Stalwart Munitons for testing purposes. These models were the first to use the building materials found in the final AVIR, which had been previously developed with the SSA1 and SSB1 weapons currently in use with Stalwart PMC. The efforts of Stalwart Munitions, combined with the latest developments in Cased-Telescopic Ammunition from Doomingsland Defense Industries, were able to retrieve results of the AVIR’s performance in battlefield conditions. Stalwart Munitions was able to gather extensive ballistics data on the 6.7x35mm CTA round, including some disturbingly accurate predictions on the effect of this round used against a human target. This data was backed up by similar experiments on the part of DDI; by this time the project had sparked the interest of several Doomani government agencies and had recieved additional funding, and as such DDI's ballistics experiments were even more extensive.
Stalwart Munitions and Doomingsland Defense Industries engaged in the full array of torture tests for the final generation of AVIR prototypes, which exceeded expectations in terms of strength and reliability. The first batches of production model AVIR rifles, carbines, and infantry automatic rifles were recieved by the Agrandan Army and special operations units of the Doomani ODIM for testing, and quickly earned the respect and praise of those that used it. It was finally approved for full issuing in the Doomani Exercitus on March 1st, 2028 (Doomani Standard Calendar).
Technical Description
The AVIR is a light-weight, gas-operated, air-cooled, select-fire rifle chambered for the 6.7x35mm CTA cartridge. A key note of the weapon's design is that it utilizes a bullpup layout, meaning that the trigger group is actualy in front of the magazine feed and reciever, allowing for a longer barrel in a shorter overall package, and thus a more accurate weapon. Unlike the vast majority of previous mass-marketted Doomingsland Defense Industries infantry weapons, the AVIR's reciever and indeed, the majority of the weapon, is constructed of a composite material as opposed to steel. A carbon fiber-reinforced polymer composite, the material is 40% stronger and 40% lighter than aluminum and is impossible to corrode through moisture exposure. The resulting product is an extremely durable and unbelievably lightweight weapon system that continues to baffle those who use it in regards to those qualities. The barrel, the major steel component of the weapon, is by no means fragile either: forged from 4150 chrome molybendum, it is an extremely accurate component and a rediculously durable one. The AVIR is capable of taking all of the punishment required for usage in the vaunted Doomani Exercitus and then some: the fact that an army that refused to convert to polymer weapons well into the 21st century on the basis that steel weapons are more durable has now selected the AVIR as its new service rifle certainly says something about the weapon.
Despite the extremely modern look of the weapon, the AVIR's internals are surprisingly simple compared to other weapons: striving for the highest degree of reliability possible without sacrificing accuracy or combat effectiveness, the design team behind the weapon chose to go with a gas piston operated design, with the proven rotating bolt system for the locking mechanism. However, the AVIR's gas system is a balanced long stroke system: two gas pistons are used, one built into the bolt group with the other being connected to a steel balancing weight. Rearward movement of the counter-piston causes foward movement of the balancing weight, eliminating three out of four recoil impulses generated by firing the weapon. This reduces recoil on fully automatic fire by an extremely large degree, meaning that in bursts of fully automatic fire the weapon is far more controllable and accurate than comparable weapons.
The AVIR's short bolt travel also means that the weapon has a very high rate of fire: 1100 rounds per minute. It must be noted that if this were to be the weapon's standard rate of fire on fully automatic, it would be extremely difficult to control even with the balanced gas system; however, in short bursts of two rounds, the extremely high rate of fire makes the bursts extremely accurate, generating very tight groups meaning that said bursts will be able to shatter ceramic trauma plates of an armored vest with the first round and pierce the armor and kill the enemy soldier with the second. However, DDI came up with a novel method of aleviating the problem of the uncontrollable fully automatic function while maintaining the extreme advantage of the bursts. The weapon's fire control group is fairly unusual for a rifle in that when toggled to the 'A' setting, the trigger features a dual stage pull. The first stage of the pull, breaking at a crisp four pounds, fires a two round burst at the standard rate of fire of eleven hundred rounds per minute. However, if the shooter were to pull the trigger all the way through to the second stage (breaking at six pounds), the fire control group engages an ROF limiter, which consists of a rubber coated steel rod that engages the (fitting in a purpose designed groove) bolt on its rearward travel, slowing the rate of fire down to a highly controllable six hundred-fifty rounds per minute. This lower rate of fire combined with the balanced gas system makes the AVIR extremely controllable when fired on full auto, whilst the 2-round burst function ensures that the rifleman can easily and reliably neutralize armored infantry; all this without the hassle of having to toggle a selector switch between these settings, which is certain to be extremely helpful during CQB and ambush situations.
The AVIR is also one of the few infantry rifles on the market to utilize a helical magazine. The magazine is cylindrical with the rounds arranged in a helical manner around the inside wall of the magazine along a 'track'. At the base of the track is the follower, which pushes the rounds along the track during its operation. The spring must be wound in order to compress it and retract the follower during the loading of the magazine; however, the advantages of this arrangement are obvious: The AVIR's magazine holds a total of fifty rounds, vastly exceeding the majority of comparitive foreign rifles in that area and giving the AVIR-armed rifleman a distinct advantage over his opponent. The magazines are constructed of transparent polymer, making for a lightweight, durable package that allows for the infantryman to quickly glance down and see how much ammunition he has left in his magazine. However, the AVIR's magazine cache had to be specially designed to accomodate a helical magazine: at the press of the magazine release, the spring-loaded butt assembly swivels upwards. The shooter, still holding down the magazine release, can then tilt the weapon upwards, allowing for the empty magazine to slide out.
As with previous DDI and SPMC weapons, the AVIR is extremely ergonomical and fully ambidextrous. The weapon features a thumbhole stock and comes packaged with a thumbhole foregrip that mounts to the bottom accessory rail. The weapon's operating rod features two charging handles, located on the right and lefthand side of the weapon. The charging handles are designed to fold up against the frame when not in use, so the shooter doesn't have to worry about having one of them digging into him when shouldering the AVIR. The selector switch (located on the left hand side of the weapon) is easily accessable by the thumb of the shooter without he or she having to take their finger off of the trigger. Perhaps the biggest complaint against bullpup weapons is that left handed shooters cannot use them comfortably, as the ejection port would spit shells right at them. While many armies train all of their personnel, be they left or right handed, to shoot right handed, there are instances on the battlefield when a soldier may need to fire his weapon left handed: it is a universal truth that not all corners are right handed. As such, aleviating this problem was a major concern to the AVIR's design team. A forward ejecting layout was considered but rejected in favor of a more reliable system: the AVIR actualy features not one, but two ejection ports, on either side of the weapon. While this could have presented a variety of reliability problems, the AVIR's designers added a shell deflector to both ejection ports. The design in this sector requires that, in order for one shell deflector to be in the open position, the one on the other side must be in the closed position, otherwise it will not open (both, however, can be closed at the same time to protect the chamber when the weapon is not in usage if the bolt is locked back), which in effect allows for the shooter to choose which side of the weapon the shells eject from. The AVIR also features two sling points and, as per Doomani requirements, a bayonet lug. The barrel is threaded, allowing for the attachement of a variety of accessories, including sound and flash suppressors as well as muzzle breaks. The AVIR comes packaged with a combination flash suppressor/muzzle break, which greatly reduces muzzle climb and felt recoil.
The AVIR is capable of maintaining a wide variety of combat optics, ranging from holographic sights to magnification sights to red dot scopes, all thanks to its top-mounted piccatinny rail. In fact, the Oculus Corporation is currently offering two brand new sights (a non-powered illuminating magnification sight and an electronic holographic sight) designed specifically with the AVIR in mind, although both are certainly capable of being used with other weapons. However, the AVIR's iron sights are superb in their own right: featuring tritium inserts, they are capable of being used both during the day and at night. The sights are folding, allowing for them to be folded out of the way when optics have been mounted. The rear sight is an aperture sight (adjustable for range and windage), with its range settings going out to 1,000 meters, while the front sight is a post sight. The AVIR features three more accessory rails, two on the sides and one more on the bottom, for the mounting of more accessories, such as lasers, flashlights, foregrips (such as the one packaged with the rifle), and even a new variant of DDI's LGFM 40mm grenade launcher, the LGFM.II, designed specifically for use with the AVIR.
http://img238.imageshack.us/img238/4102/avir2mk0.png
http://img505.imageshack.us/img505/8649/avir2bvp1.png
Field-stripping the AVIR is an extremely simple operation: the weapon consists of an upper and lower reciever, ensuring that the weapon can be modified and upgraded extensively for years to come, and these easily seperate via push pins (which are permenantly attached to the upper reciever to prevent them from becoming lost). Once the upper and lower reciever have been seperated, the shooter can then easily remove the entire bolt group (the bolt being connected to its piston, with the secondary piston and its balancing weight being a seperate component) for cleaning, although the AVIR is so reliable that cleaning is hardly a requirement. In fact, as part of DDI and SPMC's final torture tests, the AVIR fired a total of 10,000 rounds straight without a single failure. A cleaning kit is stored in a compartment in the forearm of the weapon, below the barrel.
The AVIR features three distinct variants. The first variant is designated the AVIR Service Rifle, or AVIR SR. This weapon features an 18" barrel and is the most common variant, being designed as a standard issue weapon for use by riflemen. The second variant is the AVIR Personal Defense Rifle, or AVIR PDR. This variant is essentially a carbine and PDW rolled into one, suitable for usage by special forces, vehicle and aircraft crew, logistics personnel, police, even bodyguards due to its small size. Despite its short overall length, it still maintains a 16" barrel, which is longer than most carbines, let alone PDWs, giving it very impressive capabilities in terms of accuracy. The final variant is the AVIR Infantry Automatic Rifle, or AVIR IAR. The AVIR IAR is the light machinegun variant of the AVIR, boasting a heavy 20" barrel more suited to sustained automatic fire and issued with a rail-mounted bipod.
http://img.photobucket.com/albums/v383/Doo...cfinal6wp71.png (http://img.photobucket.com/albums/v383/Doomingsland/helicfinal6wp71.png)
A new cartridge was designed for use with the AVIR: the 6.7x35mm CTA cartridge. While it is by no means on the same level of performance as the wildly popular 6.7x53mm cartridge fired by the DR-83 series and other rifles, it has far less recoil due to the fact that it is a proper 'intermediate' round whereas the larger round was in fact a full-sized cartridge, and the DR-83 was essentially a battle rifle, not an assault rifle. The new 6.7mm round, while having less recoil, still maintains an extremely high degree of accuracy and terminal performance. In its standard load, the 6.7x35mm CTA cartridge puts a 110 grain projectile downrange at velocities exceeding 2,700 feet per second out of an 18" barrel, hitting its target with over 1,780 foot pounds of energy. Performance at range is also excellent thanks to the relatively heavy round.
A key advantage of the 6.7x35mm round is its unusual design: it is a cased telescoping round, meaning that the actual projectile is set within the case, with the powder all around it. This creates a much shorter, more volume effecient round, one that is ideal for usage with the AVIR's 50-round helical magazine. In addition, the casing is constructed of composite material, creating a round that is in effect 40% lighter than a round of comparable power with a brass case. The current primary export load for the 6.7x35mm CTA cartridge is the APHP (armor piercing hollowpoint). This particular round features a steel core surrounded by a copper jacket, the tip of which is designed on the basis of a hollowpoint. When impacting a target, such as a person, the jacket expands outwards, while the steel core continues through into the target, hopefully yawing and causing even more damage. This allows for both a large entry wound and the possibility of the steel core causing even more internal damage to the target. When used against armored targets, the jacket would essentially flatten against the target while the narrower steel core would be able to follow through, hopefully penetrating the armor. The result is a round that is extremely lethal against unarmored targets while still being capable of penetrating armor. This is only one of many loads for the versitile 6.7x35mm CTA cartridge, others including jacketed hollowpoint (JHP), full metal jacket (FMJ), frangible (FG), armor piercing (AP), and a variety of tracer rounds.
Technical Specifications
Type- Advanced Personal Weapon System
Caliber- 6.7x35mm CTA
Muzzle Velocity-
-SR: 2,725 FPS
-PDR: 2,650 FPS
-IAR: 2,800 FPS
Operation- Balanced long stroke gas piston, rotating bolt
Barrel Length-
-SR: 18 inches
-PDR: 16 inches
-IAR: 20 inches
Overall Length-
-SR: 32.5 inches
-PDR: 30.5 inches
-IAR: 34.5 inches
Weight-
-SR: 4.7lbs unloaded/5.95lbs loaded
-PDR: 4.4lbs unloaded/5.65lbs loaded
-IAR: 5lbs unloaded/ 6.25lbs loaded
Feed- 50 round helical magazine
Effective Range-
-SR: 800 meters
-PDR: 650 meters
-IAR: 1,000 meters
Rifling- 4 grooves, 1:10 right hand
Rate of Fire- 650 on fully automatic, 1100 burst
Fire Modes- Semi Automatic; 2-rd Burst/Automatic (depending on trigger pull)
Export Cost- $2000
DDI and SPMC are proud to offer Domestic Production Rights for the AVIR under the following conditions:
-An order of 5 million AVIR variants must be placed.
-A royalty of 5% shall be levied on every rifle produced under liscence.
-A binding contract preventing the purchaser from exporting domestically produced AVIR rifles must be signed in addition to non disclosure agreements regarding the factory tooling used to build the weapons.
DDI and SPMC will henceforth be offering one thousand round steel ammo cans of 6.7x35mm CTA APHP ammunition at a cost of $300 each, including shipping. Production rights for the 6.7x35mm CTA cartridge are available for a nominal cost of $50,000,000.
SEE ALSO: ADEC Light Machinegun (http://forums2.jolt.co.uk/showthread.php?t=554972)