This POF Short Barrel Gen 4 415 rifle has a match grade, corrosion resistant 7.25" deep fluted barrel, 6" modular rail, black anodized finish, short stroke gas piston system, chrome plated bolt, POF-USA modular railed receiver, free-floating monolithic rail system, integrated oversized trigger guard, ambidextrous bolt catch, ambidextrous magazine release, ambidextrous selector switch, nylon upper tensioning screws, Magpul MOE pistol grip, and a POF-USA free-floating "T" rail aluminum handguard with integrated picatinny rails.