This Mil-Spec 5.56 AR-15 lower receiver parts kit is made of all high quality, American made, Mil-Spec parts. This kit is a good choice for building or rebuilding an AR-15 rifle.
Contains: Takedown Pin, Pivot Pin, Takedown Pin Detent (2), Takedown Pin Detent Spring (2), Bolt Catch, Bolt Catch Plunger, Bolt Catch Spring Pin, Bolt Catch Spring, Buffer Retainer, Buffer Retainer Spring, Magazine Catch, Magazine Catch Spring, Magazine Catch Button, GI Mil-Spec Trigger, Trigger Guard Assembly, Trigger Guard Pivot Spring Pin, Safety Selector, Selector Detent, Selector Detent Spring, Buffer Retainer, Buffer Retainer Spring, A2 Pistol Grip, Grip Screw Washer, and Grip Screw.