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...

The Mk3 Gun builders kit includes most of the necessary parts to build your lower group except the commonly upgraded parts. Does not include Fire Control Group, and pistol grip. Compatible with CMMG Mk3 Lowers and most LR308 type lowers.Features :All...

All the parts you need to get started on your next Mk3 build. Combine this kit with a buttstock kit to complete your lower group. Compatible with CMMG Mk3 Lowers and most LR308 type lowers.Features :All parts meet or exceed mil-specCMMG Mk3 Lowers and...

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...

Battle Arms Development Enhanced Lower Parts Kit, Package 3, Bad-ebc-ic, Bad-e4s-ic And Bad-emc-ic Bad-lpk-pk3Model: EnhancedProduct Type: Lower Parts Kit

This Gun builders kit includes most of the necessary parts to build up your lower group except the commonly upgraded parts. Does not include Trigger Guard, Fire Control Group, or pistol grip.Features :All parts meet or exceed mil-specFor Builds or...

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...

Double Star uses only the best parts to make their lower parts kits. The fire control group is made from mil spec heat treated 8620 steel and finished on all touch points for a smooth, crisp trigger pull with minimal creep or drag. This AR15 lower parts...

All the parts you need to get started on your next AR15 build. Combine this kit with a buttstock kit to complete your lower group.Features :All parts meet or exceed mil-specFits AR-15For Builds or Repair

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

This lower receiver parts kit for AR-15 is a great addition to your AR15 build. From amateur gun builder to seasoned expert gun smith, this lower parts kit is for you. NOTE: Fire control group and grip NOT included. Kit contains the following: 1.Bolt...