MSBS Grot

Fabryka Broni Lucznik - Radom · Assault-Rifle · In Production · 2016

Weight (empty)3650 g (128.8 oz)
Overall Length900 mm (35.43")
Barrel Length406 mm (15.98")
Height237 mm (9.33")
Width86 mm (3.39")
Magazine Capacity30 rounds
Action TypeGas Operated Short Stroke
Firing MechanismHammer Fired
Muzzle Velocity890 m/s (2920 fps)
Muzzle Energy1600 J (1180 ft·lbf)
Effective Range500 m (547 yd)
Frame MaterialAluminum Alloy

Primary Caliber: 5.56x45mm NATO

The MSBS Grot (Modulowy System Broni Strzeleckiej - Modular Small Arms System) is a Polish assault rifle developed by the Military University of Technology (WAT) in Warsaw in cooperation with Fabryka Broni Radom. Adopted by the Polish Armed Forces in 2016 as a replacement for the FB Beryl, the Grot is a modular weapons platform built around a short-stroke gas piston system with a rotating bolt. Its defining feature is the ability to be converted between conventional and bullpup configurations by...

Country of Origin: Poland

Designer: Military University of Technology (WAT) / FB Radom