Receivers

Molded polymer cover fits in the underside of a disassembled AR-15 .22 conversion upper receiver to prevent the bolt from falling out and keep dirt and debris out of internal components. Can be installed on any standard...

High-density synthetic rubber wedge drops into the space behind the takedown pin in the lower receiver to provide tension between the receiver halves and prevent movement for improved accuracy...

Mil-Spec Barrel Nut

Fortis QD End Plate features the quick detach swivel socket.  This AR15 lower receiver end plate is designed for carbine style buffer tubes for the AR15 & 308 platforms. Features: Fully radiused edges, inside...

Slick-side upper receiver eliminates dust cover and forward assist for reduced weight and cleaner lines Compatible with mil-spec bolt carrier groups, charging handles, and handguards Flat-top Picatinny rail accommodates...

Nordic Components AR15-pattern upper receiver. Slick-side upper receiver eliminates dust cover and forward assist for reduced weight and cleaner lines Compatible with mil-spec bolt carrier groups, charging handles, and...

Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. MUR Upper Receiver Designed specifically for pistol-caliber AR builds in conjunction with VLTOR Mil-Spec...

Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. MUR Upper Receiver Designed specifically for pistol-caliber AR builds QC10 Side Charging Upper...