CMMG AR-15 ZEROED Gunbuilder's Lower Parts Kit

The CMMGA(R) AR-15 ZEROED(TM) Gunbuilder's Lower Parts Kit features enhanced lower receiver parts so you can take your rifle build to the next level. This kit includes a bolt catch plunger spring, and roll pin, trigger/hammer retaining pins, ZEROED 60deg/90deg adjustable ambi safety, detent, and spring, ZEROED ambi magazine catch and spring, ZEROED magazine release button, HD pivot/takedown pins, detents, and springs, and buffer retainer and spring.Does NOT include Trigger Guard, Fire Control Group, and Pistol Grip.