CMMG Ar-15 Mil-Spec Lower Parts Kit for AR Platform Builds

The CMMG 55CA6C5 Mil-Spec Black AR15 Lower Parts Kit delivers a complete, reliable foundation for building or upgrading your AR-15 platform rifle, combining trusted CMMG quality with a comprehensive assortment of essential components. This Mil-Spec kit includes corrosion-resistant, meticulously machined parts such as an A2 pistol grip and its accompanying grip screw and lock washer, a bolt catch lug, plunger, roll pin, and spring, as well as the buffer retainer pin and spring to ensure smooth cycling. It also covers two pivot/takedown detent pins with springs, rear takedown push pins, and the small front push pivot pin for secure field stripping. The alloy trigger guard, its roll pin, and the semi-auto trigger group componentstrigger, hammer, hammer spring, and disconnector with its springprovide a reliable, consistent trigger feel. Completing the kit are the magazine catch assembly, spring, and release button, along with the safety selector, detent pin and spring, ensuring proper selector operation. Designed for AR-15 builds, this kit supports a straightforward assembly process and optimal performance across rifle applications, making it a dependable choice for builders and enthusiasts seeking a solid foundation for their lower receiver.