DPMS AR-15 Pistol Lower Build Kit, SBA6 Adjustable Stabilizing Brace

DPMS AR-15 Pistol Lower Build Kit with SBA6 Adjustable Stabilizing Brace

This is a complete lower build kit designed for AR-15 pistol configurations. It includes a DPMS DA-15 forged 7075-T6 aluminum lower receiver, a 31-piece mil-spec lower parts kit, carbine buffer system components, and an SB Tactical SBA6 adjustable stabilizing brace. The lower receiver is serialized and features mil-spec construction with black hardcoat anodized finish. The kit does not include an upper receiver or bolt carrier group.

Key Features

• DPMS DA-15 forged 7075-T6 aluminum lower receiver with black hardcoat anodized finish
• 31-piece Davidson Defense mil-spec lower parts kit with steel, aluminum, and polymer components
• SB Tactical SBA6 adjustable stabilizing brace with 5-position adjustment
• Mil-spec carbine buffer tube, buffer, and recoil spring
• Standard mil-spec trigger group with curved trigger shoe
• Mil-spec A2 pistol grip and trigger guard included
• US Tactical mil-spec receiver end plate and castle nut

Perfect For

• Builders creating AR-15 pistol configurations
• Those seeking complete lower assembly solutions with stabilizing brace
• Shooters preferring mil-spec components and DPMS forged receivers
• Pistol builds requiring 5-position adjustable brace systems

SBA6 Adjustable Stabilizing Brace System

The SB Tactical SBA6 is a 5-position adjustable stabilizing brace designed for carbine-length buffer tubes. It features a streamlined profile with a slim, non-slip rubberized rear surface and adjustable nylon stabilizing strap. The brace adjusts from approximately 6.2 inches to 10.25 inches in length, allowing customization for different shooter preferences and grip styles. The high-strength impact-resistant polymer construction keeps weight minimal at approximately 9 ounces while maintaining durability.

DPMS DA-15 Forged Lower Receiver

The DPMS DA-15 lower receiver is machined from forged 7075-T6 aluminum and finished with black hardcoat anodized coating meeting MIL-A-8625 Type III Class 2 specifications. The receiver features standard AR-15 pattern magazine well and buffer extension interface for full mil-spec component compatibility. Selector markings read SAFE and FIRE. The lower receiver is serialized and marked for multi-caliber use, making it compatible with various upper receiver configurations.

Complete Mil-Spec Lower Parts Kit

The included 31-piece Davidson Defense lower parts kit contains all internal components required to complete the lower receiver. Components include trigger group, hammer, disconnector, selector, magazine catch, bolt catch, and all required pins and springs. Materials consist of steel, aluminum, and polymer components with phosphate and anodized finishes. The kit includes a standard mil-spec curved trigger shoe and mil-spec A2 pistol grip in black.

Carbine Buffer System

This kit includes a Davidson Defense heavy-duty carbine buffer tube constructed from 6061 aluminum with Type II anodized black finish. The tube measures 1.145 inches outer diameter and 1 inch inner diameter with a length of 7.15 inches and weight of 3.8 ounces. The 6-position adjustable design accommodates the SBA6 brace and standard carbine components. A standard 3-ounce carbine buffer and carbine recoil spring are included, along with US Tactical mil-spec receiver end plate and carbine castle nut.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Upper receiver and bolt carrier group are not included. Lower receiver not included.