Patriot Ordnance Factory .308 lower receivers feature Gen III forged 7075-T6 aircraft aluminum alloy, an integrated oversized trigger guard, ambidextrous bolt release lever machined into the lower receiver, drop-in single stage 4.5 lb non-adjustable competition trigger system, Magpul™ MOE pistol grip, KNS Precision anti-walk pins, ambidextrous selector switch, Magpul™ STR 7-position retractable buttstock,anti-tilt buffer tube with four drain holes for marine use, and a NP3, black anodized, or olive drab Cerakote finish.