AR15 Lower Receiver Parts Build Kits

We have a large selection of Lower Parts Build Kits for your 80% or serialized lower receiver. Lower Parts Build Kits come with everything that a lower parts kit (LPK) comes with but they also include a Stock and a buffer tube kit. Our lower build kits come with everything that you need to complete your 80 percent lower, other than the lower itself. All of our build kits come with mil spec 7075 buffer tubes and mil spec lower parts. The base components that we use in our kits are sourced from military contractors and everything is made in the USA!

Shop our selection of lower kits that include all types of Magpul and Mission first stocks. Our rifle lower kits come with adjustable 6 position buffer tube kits and our pistol lower build kits come with 7075 robust pistol buffer tubes and pistol stabalizing braces. With all of our lower build kits you will have the option to select an upgraded round oversize magpul trigger guard or similar upgrades. You will also have the option of upgrading the grip! Shop with us today and find the exact lower build kit that you need to complete your AR rifle or AR pistol.