New in box LWRC Six8 receiver set. These receiver sets feature the optimized Six8 geometry platform. With a slightly longer, wider magazine well and impproved feed ramps, feeding is 100% reliable with available (separately) 6.8 PMAGS. Fitted with a gas tube bushing for those wishing to build a DI carbine on the new standard platform. Receiver sets come with proprietary ambidextrous magazine release, bolt catch/bolt release and front take down in pin installed. Forged receivers are machined from 7075 T6 aluminum and finished with mil-spec type II hard coat anodized surface.