Lower Parts Kit

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...

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...

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...

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...

Lower receiver parts kit for the AR-15.MANUFACTURER: Daniel DefenseMPN: 05-013-21007MODEL: 0Description: Lower Receiver Parts KitFit: AR-15Caliber: 556NATOType: Lower Parts KitColor: Black

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.MANUFACTURER: CMMGMPN: 55CA601MODEL: 0Description: Lower...

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.MANUFACTURER: CMMGMPN: 38CA62BMODEL: Zeroed Lower Parts KitDescription: Lower Receiver...

All the parts you need to get started on your next AR15 build in convenient color-coded packets to simplify assembly.MANUFACTURER: CMMGMPN: 55CA642MODEL: Zeroed Lower Parts KitDescription: Lower Receiver Parts KitType: Lower Parts KitColor: Black

High quality components and precise manufacturing make Armaspec 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.MANUFACTURER:...

High quality components and precise manufacturing make Armaspec 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.MANUFACTURER:...

High quality components and precise manufacturing make Armaspec 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.MANUFACTURER:...

This AR15 Lower Parts Kit includes the components needed to assemble an Aero Precision AR15 Gen 2 Lower Receiver or similar mil-spec lower receiver. It features a Magpul MOE Grip and Magpul MOE Trigger Guard. See below for a full list of included...