DPMS SBA3 Lower Build Kit | EPT Trigger | SBA3 Brace

This DPMS SBA3 Lower Build Kit provides the components needed to assemble an AR-15 lower into a pistol configuration. The kit includes an Enhanced Polished Trigger (EPT), Magpul grip and Magpul trigger guard, SB Tactical SBA3 adjustable pistol brace, and necessary buffer and receiver extension components. Springs for the hammer and trigger are finished with a black-oxide coating. The kit is intended for builders who want a complete lower-parts solution compatible with standard AR-15 lower receivers.

Product Specifications

• The manufacturer is DPMS.
• The model/name is DPMS SBA3 LOWER BUILD KIT W/TRIGGER.
• This item is sold as a Lower Parts Kit for AR-15 lower assembly.
• The included brace is a SB Tactical SBA3 Adjustable Pistol Brace.
• The trigger included is an Enhanced Polished Trigger (EPT).
• The kit includes a Magpul Grip for ergonomic handling.
• The kit includes a Magpul Trigger Guard.
• The hammer and trigger springs are black-oxide-coated.
• Included hardware contains a castle nut and latch plate.
• Buffer components include a carbine buffer spring, a standard carbine buffer, and a 5-position mil-spec buffer tube.
• The color of the kit is Black.
• The kit is intended to assemble an AR-15 lower into a pistol.
• The category is listed as AR Lower Parts Kits.
• The UPC is 810141220577.

This kit assembles the essential components into a compact, ready-to-configure lower package suitable for range use and competition-style pistol projects. The inclusion of a reputable SBA3 brace and Magpul ergonomics makes it a practical choice for builders who want a straightforward, factory-aligned parts set without sourcing individual items separately.