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lower parts kits Sort By: Price: Low to High Price: High to Low Most Popular Title Manufacturer Newest Oldest Availability 10 per page 20 per page 40 per page 60 per page 100 per page Page of 1 AR 15 Lower Parts Kit Our Price: $90.95 Bolt Catch, Bolt Catch Plunger, Bolt Catch Roll Pin, Bolt Catch Spring, Buffer, Retainer, Buffer Retainer Spring, Disconnect, Disconnect Spring, Hammer, Hammer Pin, Hammer Spring, Magazine Catch, Magazine Catch Button, Magazine, Catch Spring, Pistol Grip (A2 style), Pistol Grip Lock Washer, Pistol Grip Screw, Pivot Pin, Pivot Pin Detent, Pivot Pin Detent Spring, Selector, Selector Detent, Selector Detent Spring, Takedown Pin, Takedown Pin Detent, Takedown Pin, Detent Spring, Trigger, Trigger Pin, Trigger Spring .308 AR Lower Parts Kit Our Price: $94.95 Bolt Catch, Bolt Catch Plunger, Bolt Catch Roll Pin, Bolt Catch Spring, Buffer, Retainer, Buffer Retainer Spring, Disconnect, Disconnect Spring, Hammer, Hammer Pin, Hammer Spring, Magazine Catch, Magazine Catch Button, Magazine, Catch Spring, Pistol Grip (A2 style), Pistol Grip Lock Washer, Pistol Grip Screw, Pivot Pin, Pivot Pin Detent, Pivot Pin Detent Spring, Selector, Selector Detent, Selector Detent Spring, Takedown Pin, Takedown Pin Detent, Takedown Pin, Detent Spring, Trigger, Trigger Pin, Trigger Spring