Haenel MK 556

C.G. Haenel · Assault-Rifle · In Production · 2017

Weight (empty)3500 g (123.5 oz)
Overall Length838 mm (32.99")
Barrel Length368 mm (14.49")
Magazine Capacity30 rounds
Action TypeGas Operated Short Stroke Piston
Firing MechanismHammer Fired
Muzzle Velocity905 m/s (2969 fps)
Muzzle Energy1640 J (1210 ft·lbf)
Effective Range600 m (656 yd)
Frame MaterialAluminum Alloy

Primary Caliber: 5.56x45mm NATO

The Haenel MK 556 is a gas-operated selective-fire 5.56×45mm NATO assault rifle designed and manufactured by C.G. Haenel in Suhl, Germany. Finalized in 2017 and publicly revealed in September 2020, the MK 556 represents a fully automatic military variant of the earlier CR 223 civilian design. Built on AR-15 platform ergonomics but employing a short-stroke gas piston operating system rather than direct impingement, the rifle features a user-adjustable gas regulator optimized for suppressor use. T...

Country of Origin: Germany

Designer: C.G. Haenel Engineering Team