Lower Parts Kits

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...

This kit features all of the Seekins Precision manufactured lower receiver parts as well as the pins and springs needed for assembly of your AR15 lower receiver. (Trigger Not Included in Kit.)Features :Lower Parts KitNo Trigger IncludedSeekins Precision...

Lower Parts Kit made from only the highest quality Mil-Spec or better components. The SOLGW Bolt Catch and Safety Selector are a Mil-Spec AISI8620 investment casting per the USGI TDP. Their Safety and Takedown Pivot Detents are solid hardened Stainless...

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