CMMG Inc Lower Parts Kit MK3 Gunbuilder's kit

CMMG Inc Lower Parts Kit MK3 Gunbuilder's kit. Building on the mil-spec standard CMMG Gunbuilder's Kits include everything you need in a new or custom lower build where you add the trigger pistol grip and trigger guard of your choosing. Basic parts list: takedown pin safety selector bolt catch receiver pivot pin selector detent bolt catch plunger takedown pin detent (2) magazine catch bolt catch spring takedown pin detent spring (2) magazine catch spring bolt catch screw hammer and trigger pin (