Lower Parts Kits

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...

LUTH-AR builder parts kit for 308 lower.Features :Fits 308 ARBuilder Lower Parts Kit(No Fire Control/Grip)

High quality components and precise manufacturing make San Tan Tactical parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features...

This kit is designed to be used with your Jack10 or Livewire set. To complete the lower you will want to also purchase a buffer tube assembly, stock, and trigger group of your choice. Proudly made in the USA.Features :Safety Selector, Detent,...

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...

The Spikes Tactical LPK exceeds Military Specifications by a long shot while also offering a much better fit and finish. Proudly 100% made right here in the USA. (This Kit Does Not Include Trigger Group)Features :Spikes Pro GripBetter than Mil-Spec...

LUTH-AR builder parts kit for AR-15 lower.Features :Fits AR-15Builder Lower Parts Kit(No Fire Control/Grip)

100% USA produced components. Each kit is guaranteed to fit a mil-spec dimension lower receiver. No foreign made or polymer parts. These are quality kits at an excellent price.

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...

The Enhanced Lower parts kit offers a convenient upgrade package for the AR15 for those looking for a complete Strike Industries solution for new builds, or to update their plain jane AR. This kit includes all the basics that you will need to build out...

High quality components and precise manufacturing make Rise Armament parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features...

Aero Precision Moe Lower Parts Kit, For Ar15, Includes Magpul Moe Grip In Black, Magpul Moe Trigger Guard In Black, Takedown Pin, Pivot Pin, Takedown/pivot Detent, Takedown/pivot Spring, Bolt Catch, Bolt Catch Buffer, Bolt Catch Roll Pin, Bolt Catch...