Heckler & Koch G11

Heckler & Koch · Assault-Rifle · Prototype · 1990

Weight (empty)3600 g (127.0 oz)
Overall Length752 mm (29.61")
Barrel Length540 mm (21.26")
Height285 mm (11.22")
Width65 mm (2.56")
Magazine Capacity45 rounds
Action TypeGas Operated Short Stroke
Firing MechanismHammer Fired
Muzzle Velocity930 m/s (3051 fps)
Muzzle Energy1405 J (1036 ft·lbf)
Effective Range300 m (328 yd)
Frame MaterialPolymer

Primary Caliber: 4.73x33mm HK Caseless

The Heckler & Koch G11 is a prototype bullpup assault rifle chambered in 4.73x33mm HK caseless ammunition, developed jointly by Heckler & Koch, Dynamit Nobel, and Hensoldt Wetzlar from the late 1960s through 1990. Intended to replace the G3 in Bundeswehr service, the G11 was the world's first and only fielded caseless-cartridge weapon, using a polymer-encapsulated block of High Ignition Temperature Propellant (HITP) to eliminate the brass case entirely. Its defining feature is a unique rotating ...

Country of Origin: Germany

Designer: Dieter Ketterer