Rubber Coating
Thumb Stud Ball Bearing Opening
producing devastatingly tight patterns at all practical hunting distances
Battle Born Grease
LUTH GUNSMITH PARTS KIT Boresights Rubber CoatingLuth 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