Lower Parts Kits

The Geissele Ultra Duty Lower Parts Kit is made for the most demanding operators and includes all the internal parts necessary to complete or rebuild your lower receiver. Key components are made from Stainless Steel, which offers a much longer life-span...

Sons of Liberty Gun Works is a manufacturer of quality firearms and parts, perfect for your next build, next competition, or next line of defense. Their small parts fit most mil-spec firearms.Features :B5 Pistol GripLiberty Fighting TriggerMil-Spec...

Sons of Liberty Gun Works is a manufacturer of quality firearms and parts, perfect for your next build, next competition, or next line of defense. Their small parts fit most mil-spec firearms.Features :Pivot PinTakedown Pin, (2)-Takedown Pin Springs,...

All the parts you need to get started on your Mk3 build in convenient color-coded packets to simplify assembly. Compatible with CMMG(R) Mk3 and most LR-308 type lowers.Features :Bolt catch, Bolt catch screw-in pin, Bolt catch plunger, Bolt catch...

All the parts you need to get started on your next AR15 build in convenient color-coded packets to simplify assembly.Features :Bolt catch/roll pinBolt catch plunger/springTrigger guard/roll pinTrigger, Trigger springDisconnector, Disconnector...

Lower receiver parts kit for the AR-15.Features :.223/556Complete lower parts kit