Luth-AR, Gunsmith Kit, For AR-15, Includes Buffer Retainer (10), Buffer Retainer Spring (10), Bolt Catch Spring (5), Bolt Catch Buffer (5), Bolt Catch Roll Pin (5), Detent Spring (20), Takedown Detent (20), Front Pivot Pin (5), Disconnector (5), Trigger Spring (5), Pistol Grip Screw (3), Pistol Grip Screw Washer (3), Selector/Ejector Spring (10), Selector Detent (10), Hammer/Trigger Pin (10), Rear Takedown Pin (5), Disconnector Spring (5), Hammer Spring (5), Gas Tube Roll Pin (10), 223/556 Crush Washer (5), Dust Cover Snap Ring/E Clip (10), Dust Cover Pin (5), Dust Cover Spring (5), Charging Handle Roll Pin (5), Charging Handle Latch Spring (5), Charging Handle Latch (5), Bolt Gas Rings (2x 30 Pack), Extractor Pin (5), Ejector Roll Pin (5), Ejector (5), Extractor (5), Extractor Spring Assembly (10), Extractor O-Ring (10), Gas Key Screw (10), Firing Pin (5), Cam Pin (3), Delrin Punch (1)