Build Kits

Staged AR15 Lower Parts Kits for Every Build

White Label Armory's Build Kits category gathers American-made, mil-spec AR15 lower parts kits for builders working on AR-15 platform projects. The lineup includes staged options for different points in the assembly process, from the Stage 1 Builder's Essentials Kit through the Stage 5 Complete kit, plus the Assembler Special and a lower parts kit without a fire control group. A pistol caliber lower parts kit with a phosphate finish is also available for PCC-style builds.

These kits suit first-time builders assembling a single lower as well as experienced gunsmiths and manufacturers sourcing components in volume. When choosing, consider which stage matches your build, whether you need a standard AR15 or pistol caliber configuration, and the phosphate finish offered across the kits.

Pair a kit with a stripped receiver and round out your build with triggers. Review each product page for the specific components included before ordering.