The FB MSBS Grot (Modułowy System Broni Strzeleckiej „Grot”) is a family of modular Assault Rifle developed in 2007 and manufactured by FB Radom in Poland since 2018. The Weapon features a short-stroke gas piston system (akin to FN SCAR), railed receiver and ambidextrous controls. Chambered in 5.56×45mm NATO (STANAG Magazine compatible) or 7.62×39mm, this tag refers to the two major variants and its derivatives:
- MSBS Grot C (klasyczny) - the standard configuration and features a Folded Stock.
- MSBS Grot B (bezkolbowy) - Bullpup one.