Lower build kits include all of the parts needed for you to open the box and build a complete AR-15 lower receiver assembly. AR-15 lower parts kits contain all the firing and safety control components for your firearm. These devices have a direct effect on the way your rifle handles and feels. Selecting the right AR parts, such as triggers, springs and pistol grips, allows you to customize your firearm to the exact specifications you desire. We offer some of the best AR LPKs for your build from top brands like CMMG and Anderson.

We have mil-spec lower receivers for sale as well as AR15 lower receiver parts kits for sale with the highest quality and most competitive prices available anywhere else online. Our AR lower receiver assembly and build kits provide everything you’ll need to construct or upgrade your AR15 with the best, safest parts on the market. Our AR15 lower receiver build kits allow you to build your own lower receivers, and we have lower receiver jigs to help with measuring and machining your lower receivers.

Our selection of AR15 lower parts kits includes a wide range of options you won’t find from other online gun parts dealers. We have Spike’s Tactical, KNS and Cerro Forge brand LPKs as well as buffer tube kits, trigger and hammer pin kits, trigger guards, and more, with several parts including anodized, nickel boron, or nickel Teflon coating. We have worked to create the best selection of AR15 lower receiver parts and accessories for avid gun enthusiasts, and we take great pride in what we do. Shop today for the best military-spec lower receiver parts and accessories for sale, and contact us if you have any questions.