The Heckler & Koch XM8 is a lightweight assault rifle system developed from the late 1990s to early 2000s. The rifle was designed by German small arms manufacturer Heckler & Koch (H&K), and shares design and engineering with their G36 rifle.

The XM29 OICW (Objective Individual Combat Weapon) was a series of prototypes of a new type of assault rifle that fired 20 mm HE airbursting projectiles. The prototypes were developed as part of the Objective Individual Combat Weapon program in the 1990s.

The system is known to have four standard A variants, the M28/A1-A3. However, the actual specifics between variants is vague. The available information suggests that specific variants were mated to specific iterations of the AH-1 helicopter. The initial XM28/M28 were fitted to the AH-1G, as were the M28E1/M28A1.

hybrid inertial damping system for the XM28 turret. The program includes analysis, hardware design, fabrication, and testing. Turret performance is finally compared with and without the turret damper during firing tests from an AH-1G Helicopter, at the Honeywell Proving Grounds. A nL.J H\-.«< <^ '».-> u \ (jeta* R.. r.r.„l|i-"'! b\

2022年1月16日 · Currently, the most modern variant, the M4 carbine, is the fourth generation of Stoner’s design. However, some regard even it as still too dirt-sensitive and too plagued by jamming, which, among...

Firing tests were conducted to determine the effects on the stability and control characteristics of the AH-1G helicopter caused by firing the twin XM-129, 40mm grenade launchers in the XM-28 chin turret.

The Heckler & Koch XM8 is a modular assault rifle system designed by Heckler & Koch. Originally conceived as the assault rifle portion of the XM29 OICW, the XM8 was designed in 2002 as a possible replacement for the M4 carbine and M16 rifle series and is heavily based on Heckler & Koch's G36 rifle series.

2016年6月14日 · Called the "Davy Crockett", it was a 155mm caliber tactical nuclear recoilless gun in the standard M28 or longer-range M29 launch body firing the M388 nuclear projectile. The launcher piece was developed at the Rock Island Arsenal and the W54 warhead was developed at Los Alamos and the Atomic Energy Commission.

NOTE: All items are used unless otherwise indicated. Parts kits are NOT functioning firearms; they are parts kits, sold as-is and may include incompatible components.