CMMG Lower Parts Kit

The CMMG Lower Parts Gunbuilder’s Kits provide all essential components to finish assembling an AR-15 lower receiver, EXCLUDING the hammer, trigger, grip, and trigger guard. Included are vital parts such as takedown pins, detents and springs, hammer and trigger pins, safety selector, magazine catch, release button, bolt catch, plunger, spring, buffer retainer, and spring pin. These kits ensure you have everything needed for the lower receiver build, facilitating a seamless assembly process.