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Weapon Name- G3A4k
Round Type- 7.62mm x 51mm NATO
Over-all length- 1092mm (43 inches), 990mm (39 inches), 890mm (35 inches), 790mm (31 inches)
Barrel length- 600mm (23.6 inches), 500mm (19.6 inches), 400mm (15.8 inches), 300mm (11.8 inches)
Weight- 10.0 lb, 8.9 lb, 7.9 lb, 7.5 lb, 7.1 lb
Rate of Fire- 625 RPM
Feed Mechanism- Detachable Box Magazine, Belt Fed
Round Capacity- 20, 25, 30, 70, 100+
Effective Range- 600 meters, 450 meters, 350 meters, 250 meters
Range- 1000 meters, 850 meters, 600 meters, 550 meters
Accuracy- 1.3 MOA, 1.5 MOA, 1.8 MOA, 2.5 MOA
Accessories- Picatinny Rails
Quick switch firing mechanism- N/A
Scope/Sights- Fixed adjustable flip-peep sights
Muzzle Velocity- 885 m/s, 850 m/s, 820 m/s, 740 m/s - 800 m/s, 785 m/s
Firing System- Long stroke gas piston
Miscellaneous/electronic information- The weapon is essentially a long stroke gas piston, 7.62mm x 51mm NATO battle rifle, that closely resembles the M14 and Galil, with a number of notable differences.





The weapon is essentially a long stroke gas piston, 7.62mm x 51mm NATO battle rifle, that closely resembles the M14 and Galil, with a number of notable differences. The weapon possesses a left handed non-reciprocating charging handle, that allows the ejection port and bolt to be sealed, preventing debri or elements from entering the weapon. The piston is squared off, unlike the Ak-47 or M14 which are rounded, which helps create a better seal with the frame of the receiver, thus reducing the chance of various forms of debri from getting in to the receiver. Unlike the Ak-47 or M14, the weapon uses a striker fired bolt and firing pin, with a spring actuated mechanism (similiar to the Vz. 58 or CZ-805). Like the Ak-47, the long stroke gas piston is on top of the barrel, although like the M14 the bolt carrier is separate from the piston. Like the Ak, the recoil spring bar goes inside the piston, however it uses a dual-spring, with one housed inside the other, to smooth out the operation of the gun and reduce the recoil somewhat. Like the M14, a third spring is housed in gas tube, rather than the bolt carrier, giving it three springs. Despite being a long-stroke gas piston weapon, it is extremely dissimilar to both the M14 and Ak-47, being fairly unique in it's design. It shares no parts commonality with either firearm, although the specifications in size are similiar (barrel, recoil spring etc.). Because of the long stroke gas piston and other design features, the weapon is extremely reliable.

Being designed to fire the substantially larger, 7.62mm x 51mm NATO round, serious measures have been taken to reduce the recoil of the weapon to make it easier to fire with less recoil. The stock of the weapon comes with a soft pad which makes the felt recoil more tolerable, and is semi-adjustable with 2 inches of variation, which is extremely stable, unlike many adjustable stocks which wobble. The weapon possesses an extremely large muzzlebreak, which in particular vents the gases upwards, which helps with muzzle rise, making firing repeated shots quickly more easy to control. It also helps to contain the noise and flash, which is especially bright on the shorter models of the weapon, and serves as suppressor mounting point. The weapon also uses a hybrid hydraulic recoil buffer, similiar to that found in the HK45. This in turn spreads the recoil out over time, making it easier to control, and reduces it by approximately 30%. All combined, the recoil is reduced by some 70%, and is much smoother, making it easier to control in rapid fire and in general. Still it is quite stiff even for a weapon of it's size.

While the 7.62mm x 51mm NATO is powerful, it is heavy. While the 5.56mm is roughly 12.5 grams per round, the 7.62mm is 25.5 grams, which is nearly double. For the same weight of 150 rounds, a soldier could carry 300 5.56mm. This makes the weapon and the rounds particularly heavy in comparison. It advantages primarily come in range and firepower; it has nearly double the range and energy of the 5.56mm, while also possessing a bullet that is roughly 2.5 times heavier. This increased momentum, force and power allows it to defeat common barriers that the 5.56mm has trouble with. It can get through brick walls, concrete, car doors and even things like plate glass, which the 5.56mm has trouble with due to it's tendency to be deflected and small size. Further, it's energy at long ranges is especially high. At 600 yards, the 7.62mm x 51mm NATO has approximately 1,200 joules with a 9.7 gram (147 grain) round, which is slightly more powerful than a .357 magnum, albeit with more penetration, giving it extreme stopping power even out to long ranges. The 5.56mm on the other hand has about 420 with a 4 gram round, making it about equal to a single shotgun pellet, or half a 9mm. This makes the firearm not only far superior in terms of overall power, but much better at long ranges. In fact, the 7.62mm has more energy than the 5.56mm does at the muzzle up to 400 yards. This extreme power, if fired in short bursts or accurate shots, makes the weapon superior to the 5.56mm, but heavier and with greater recoil.

The weapon has 5 key versions; the LMG, Marksmen, Standard, Para, and Commando versions. All the versions except the LMG accept detachable box magazines and drum magazines, while the LMG is belt fed. The belt fed weapon is a little bit heavier, and fires from the open bolt position, having a side mounted feeding tray on the adjacent, opposite ejection port. Because the weapon is ambidextrous, the alternate ejection port can be used to feed the weapon, instead of eject rounds from the weapon, making it easy to transition to a belt fed weapon; the bolt can be flipped to face the other direction to allow the rounds to be ejected from other side of the weapon. With the LMG variant, both sides of the bolt are open, to allow feeding from the belt, however only one side ejects the round. With a detachable barrel, the weapon technically can have the barrel replaced, but it's slow operation (20 minutes) and general bulky nature mean this is rarely done; instead, the barrel is especially large and comes with an added heat sink, which makes the weapon heavier, but better at handling the increased heat associated with more rapid firing. The barrel lengths on the LMG and Marskmen are both 600mm (23.6 inches), while the Standard, Para, and Commando versions have 500mm (19.6 inches), 400mm (15.8 inches), and 300mm (11.8 inches) barrels, respectively. Despite being called the "standard", the Para, or Paratrooper model became more common during it's use, as the 16 inch barrels proved to be more popular and maneuverable in urban environments. The longer barrels provide greater accuracy, range, and firepower, but possess less maneuverability, especially in close quarters.

The weapon is fairly accurate for a combat rifle, but it still just shy of a true sniper rifle. With a best accuracy of 1.3 MOA, it makes for a fine marksmen weapon. The muzzle energy levels for each barrel length are 3800 joules, 3500, 3250 joules, and 2725 joules, respectively. The barrel is a heavy, chrome lined 1 in 10 (254mm), 6 groove right hand staineless design, which is detachable without armorer's tool, but is not quick detachable. While it is fairly heat resistant, due to the Chrome it is not nearly as heat resistant as some barrels, but nonetheless can withstand a moderate about of fire without cracking. Unlike nitrided the barrels, the firearm is far more corrosion resistant, but less accurate, giving it good durability and longevity, but reduced accuracy. The inner surfaces of chrome plating are extremely uneven, which makes it nearly impossible to get an exact fit with the bullet, thus decreasing the accuracy and rifling, making the weapon less consistent. The weapon itself is made up of wood, polymer or bakelite, while the working mechanism is generally made of steel. Some lighter variants were made of aluminum, but were found to gall too frequently without high quality and surface treated materials. While the weapon can use brass casings, it typically is paired with steel cases, that surprisingly are not very corrosive, given the already weaker powder of the existing 7.62mm rounds. Due to the shape of the magazines and anti-tilt follower, the magazines are unusually reliable despite their somewhat high capacity (25 and 30 rounds), which also helps assist in the drum magazine. In general, the weapon is not used with drums, which are disproportionately heavy and far less reliable than the belt fed variant of the weapon, but some do exist for the weapon. The magazine release is similar to that of an Ak-47, but more heavily resembles the XM8, which uses a lever actuated mechanism to release it, which makes it more ergonomic to feed or release magazines, despite having the same strength of the Ak mag-wells.