DPMS AR-15 Lower receiver parts kit include the following: A2 Pistol Grip, Magpul Enhanced Polymer Trigger Guard, Pistol Grip Screw, Pistol Grip Lock Washer, AR-15 Pivot Pin, Bolt Catch Plunger, Bolt Catch Roll Pin, Bolt Catch Spring, Buffer Retainer Pin, Buffer Retainer Spring, Disconnector Spring, Magazine Catch Spring, Magazine Release Button, Two Pivot/Takedown Detent Pins, Two Pivot/Takedown Detent Springs, Rear Takedown Pin, Safety Detent Selector, Selector Detent Spring, Trigger Guard Roll Pin, Trigger Guard Set Screw, Two Trigger/Hammer Pins, Bolt Catch, Hammer Spring, Magazine Catch Assembly, Safety Semi-Auto Selector, Semi-Auto Disconnector, Semi-Auto Hammer w/ J-Pin Assembly, Semi-Auto Trigger, and Trigger Spring.
