DPMS AR-15 Rifle Lower Build Kit, Straight Trigger Shoe, Special Operations Stock

DPMS AR-15 Rifle Lower Build Kit, Straight Trigger Shoe, Special Operations Stock

This is a complete lower build kit for AR-15 platforms, built around a DPMS DA-15 forged aluminum lower receiver. It includes everything needed to assemble a functional lower receiver except the serialized lower itself. The kit pairs a Davidson Defense Match Grade lower parts kit with a mil-spec heavy-duty buffer tube system and a Special Operations adjustable stock featuring quick-detach sling mounting.

Key Features

• DPMS DA-15 forged 7075-T6 aluminum lower receiver with black hardcoat anodized finish
• Davidson Defense Match Grade lower parts kit with 31 components and skeletonized straight trigger shoe
• 3.5 lb single-stage trigger pull with black oxide finish
• Mil-spec 6-position carbine buffer tube with standard 3 oz carbine buffer and recoil spring
• Special Operations adjustable stock with QD sling mount and sling loop
• US Tactical mil-spec receiver end plate and castle nut
• Mil-spec A2 grip included
• Multi-caliber marked lower receiver compatible with standard AR-15 uppers

Perfect For

• Builders starting their first AR-15 lower assembly
• Those seeking a match-grade trigger group for improved shot control
• Shooters who want an adjustable stock for different shooting positions
• Users building mil-spec compatible AR-15 platforms
• Anyone needing a complete lower kit with integrated buffer system components

DPMS DA-15 Forged Lower Receiver

The DPMS DA-15 lower is machined from forged 7075-T6 aluminum and finished with black hardcoat anodize per MIL-A-8625 Type III Class 2 specifications. The receiver is marked for multi-caliber use and features standard AR-15 pattern magazine well and buffer extension interfaces. This serialized component serves as the regulated firearm portion of the build.

Davidson Defense Match Grade Fire Control

The included lower parts kit is a Davidson Defense Match Grade assembly with 31 precision-fitted components. The straight trigger shoe has a skeletonized design and breaks at 3.5 pounds with a single-stage pull. Steel construction with black oxide finish ensures durability and consistent trigger reset during rapid fire sequences.

Mil-Spec Buffer System and Stock

The kit includes a mil-spec heavy-duty 6-position carbine buffer tube paired with a standard 3 oz carbine buffer and carbine recoil spring. The Special Operations adjustable stock mounts to this tube and features quick-detach sling mounting with an integrated sling loop for tactical setups. Glass-filled polymer construction keeps weight down while maintaining rigidity.

Complete Component Assembly

Beyond the lower receiver and fire control group, the kit includes a mil-spec A2 grip, US Tactical receiver end plate, and AR-15 carbine castle nut. All components are mil-spec compatible and designed to work with standard AR-15 upper assemblies and accessories.

Lower receiver not included. BCG and charging handle are not included. Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.