This Lower Build Kit from DPMS (DPMS part no. DP51655152953) bundles everything needed to finish an AR-15 pistol lower, including an Enhanced Polished Trigger (EPT), a Magpul grip and trigger guard, black-oxide hammer and trigger springs, and an SB Tactical SBA3 adjustable pistol brace.

Key Specifications

• Includes an Enhanced Polished Trigger (EPT).
• Includes a Magpul grip and Magpul trigger guard.
• Uses black-oxide-coated hammer and trigger springs.
• Includes an SB Tactical SBA3 adjustable pistol brace.
• Also includes a castle nut, latch plate, carbine buffer spring, a 5-position mil-spec buffer tube, and a standard carbine buffer.
• Sold as a complete build kit for an AR-15 pistol lower.

Frequently Asked Questions

Does this include the lower receiver itself? No, this is a build kit of internal and external components for a lower you already have; the stripped lower receiver is sold separately.

Is the SBA3 brace legal to use on a pistol-configured lower? Yes, the SB Tactical SBA3 is a pistol stabilizing brace commonly used on AR-15 pistol builds; confirm current ATF guidance for your specific configuration before finishing your build.

Buy the DPMS SBA3 Lower Build Kit with Trigger

Finish your AR-15 pistol build with this complete DPMS SBA3 lower kit, trigger included. It ships fast from our Lubbock, Texas gun shop, and our AR-15 lower parts kits selection has more AR-15 lower parts kits.