Drop-in parts for rifles fitted with a CMMG or Atchisson-style .22 LR conversion kit work with the existing bolt catch to lock the bolt to the rear after the last round is fired. Molded polymer Bolt Hold Open Actuator fits into the top of the magazine...
Drop-in parts for rifles fitted with a CMMG or Atchisson-style .22 LR conversion kit work with the existing bolt catch to lock the bolt to the rear after the last round is fired. Follower/Spring Set upgrades a 25-round CMMG magazine with a follower that...
Drop-in trigger/hammer system requires no gunsmithing to give your small-pin AR-15 a rugged, reliable trigger with a smooth, consistent two-stage pull. Fixtures custom designed by CMMG engineers are used for final grinding of 10 separate contact surfaces...
Rugged, semi-auto receiver made from a high-quality forging is built to handle the hard use and abuse of tactical and competitive shooting. Forged from 7075 T6 aluminum alloy, for an extra margin of strength and rigidity over standard 6061 alloy receivers,...
Rugged, dependable magazines are specifically designed to help ensure reliable feed and function with CMMG and similar Atchisson-type .22 LR conversion systems. Full-size mag body of injection-molded polymer stands up to the rigors of intensive plinking...
Multi-strand, braided spring delivers 40% greater force than standard USGI springs for more consistent release of pressure and smoother, more reliable feeding of 30-round magazines. These springs will not reduce magazine capacity and will not take a set....
M4-contour barrel converts a standard .223/5.56 upper receiver to a dedicated .22 LR upper when used in conjunction with a CMMG, Ciener, or other Atchison-style .22 rimfire conversion kit (sold separately) and magazine (CMMG or Black Dog). Solves the...
Semi-auto lower receiver lets you build a dedicated 9mm AR that doesn't look like a conversion-because it isn't. The magazine well is machined to accept only Colt or modified Uzi-style 9mm magazines. Eliminates the need for a separate conversion block...
Complete, drop-in carrier/bolt assembly is ramped on the bottom to provide clearance for a factory .223/5.56mm hammer in your 9mm conversion. Eliminates the need to install a dedicated 9mm hammer, so the original fire control system stays intact for easier...
Drop-in conversion kit replaces the standard direct impingement gas system with a reliable, positive cycling piston system. Updates the AR to the type of operating system used on advanced weapons like the FN SCAR, Heckler & Koch G36, and HK416, as well...