The CMMG Gun Builder's Lower Parts Kit contains most of the necessary components you need to build up your AR-15 lower receiver-except for commonly upgraded parts like the trigger group and pistol grip. Features: Compatible with AR-15 lowers Includes most of the necessary components besides commonly upgraded components All parts are mil-spec or betterIncludes: Trigger guard and roll pin Bolt catch, plunger and spring Safety selector Mag catch, mag catch spring, and mag release button Detent and detent spring Pivot pin Buffer retainer and retainer spring Takedown pin Order today!
