This POF-USA Gen 4 AR 415 pistol features a 7.25" deep fluted barrel, 6" modular rail, NP3 finish, corrosion resistant operating system, modular railed receiver, free-floating monolithic top rail system, billet machined 7075-T6 aircraft aluminium alloy upper and lower receiver, oversized trigger guard, ambidextrous bolt release, drop-in single-stage competition trigger system, KNS precision anti-walk pins, ambidextrous selector switch, Magpul CTR 6-position retractable buttstock, and ERGO ladder rail covers.