This POF P-308 Gen 4 .308 semi-auto rifle has a 16.5" deep fluted match grade barrel, 14" Modular rail, NP3 finish, E² dual-extraction chamber technology, corrosion resistant short-stroke gas piston system, chrome plated bolt, POF-USA modular railed receiver, free-floating monolthic rail system, billet machined 7075-T6 aircraft aluminium alloy lower and upper receiver, integrated oversized trigger guard, integrated ambidextrous bolt release, integrated ambidextrous bolt catch, integrated ambidextrous magazine release, ambidextrous selector switch, Magpul MOE pistol grip, and a free-floating modular "M" rail aluminum handguard.