This gun revolutionized assault weapon design. The weapon fires a caseless cartridge consisting of a block of propellant with a bullet buried inside. The resultant weight and space savings allow this weapon to have a very high magazine capacity.
The H&K G11 is an assault rifle developed during the late 1960s by Heckler & Koch. It has revolutionized assault weapon design and fires 4.7mm caseless, a cartridge consisting of a block of propellant with a bullet buried inside. The loading and feed mechanism is physically very complicated but exceptionally fast and reliable. Rounds are fed into the weapon from a magazine that lies above and parallel with the barrel.
The rounds are oriented vertically (at 90 degrees to the bore) and are fed downwards into the rotary chamber so that they can be rotated 90 degrees for firing. Because the H&K G11 uses caseless ammunition, there are no extraction and ejection steps. The resultant weight and space savings allow the H&K G11 to have a very high magazine of 50-round capacity.
Using 4.7mm caseless ammo, the H&K G11 is a weapon found in the mid-latter parts of Fallout 2. Although this gun is powerful, it is not as powerful as a H&K P90c submachine gun during burst firing, because this rifle fires only five shots per burst. The H&K G11E is a much superior version, capable of doing more damage per bullet, having longer range and firing seven rounds per burst.
Although outclassed by some other weapons, the G11 can be a capable weapon if/when enough ammo is available. Two bursts can tear apart wanamingos and even deathclaws, while also being very efficient with the rounds that go flying.
Although the G11 is an assault rifle, it uses the SMG animation when firing. This means that Sulik and Lenny can use this weapon, while John Cassidy and Vic cannot.