SB Tactical SBA6 Brace Bundle with 6-Position Buffer Tube, 8 oz. 9mm/.45 ACP/10mm Buffer, End Plate, Castle Nut, Carbine Spring, 31-Piece LPK & A2 Grip, Black

SB Tactical SBA6 Brace Bundle with 6-Position Buffer Tube, 8 oz. 9mm/.45 ACP/10mm Buffer, End Plate, Castle Nut, Carbine Spring, 31-Piece LPK & A2 Grip, Black

This bundle brings together an SB Tactical SBA6 pistol stabilizing brace with a complete buffer and lower-completion component set for AR-15 / AR-pattern PCC builds in 9mm, .45 ACP, or 10mm. It includes a Davidson Defense 6-position mil-spec carbine receiver extension, an 8-ounce stainless steel long pistol-caliber buffer, a USA-made carbine recoil spring, Davidson Defense castle nut, US Tactical receiver end plate, and a Davidson Defense 31-piece complete Lower Parts Kit with a mil-spec A2 pistol grip.

Key Features

• SB Tactical SBA6 5-position adjustable pistol stabilizing brace, black
• Davidson Defense 6-position mil-spec carbine receiver extension, 6061 aluminum, black
• 8 oz. stainless steel extended pistol-caliber buffer for blowback operating systems
• USA-made standard AR-15 carbine recoil spring
• Davidson Defense castle nut and US Tactical mil-spec receiver end plate
• Davidson Defense 31-piece complete mil-spec AR-15 Lower Parts Kit
• Mil-spec A2 pistol grip with grip screw and washer included

Brace

The SB Tactical SBA6 is a 5-position adjustable pistol stabilizing brace built from high-strength, impact-resistant polymer in a streamlined carbine-style profile. It features a slim, non-slip rubberized rear surface and an adjustable nylon stabilizing strap, weighs approximately 9 ounces, and mounts to a mil-spec carbine receiver extension in a matte black finish.

Buffer Tube and Buffer

The bundle includes a Davidson Defense heavy-duty, 6-position mil-spec carbine receiver extension machined from 6061 aluminum with a black finish, matching the brace's mounting interface. It's paired with an 8-ounce stainless steel extended pistol-caliber buffer in black, built for pistol-caliber blowback operating systems across 9mm, .45 ACP, and 10mm, along with a USA-made standard AR-15 carbine recoil spring. A Davidson Defense mil-spec castle nut and a US Tactical mil-spec receiver end plate round out the receiver extension hardware.

Lower Parts Kit and Grip

The 31-piece Davidson Defense complete mil-spec AR-15 Lower Parts Kit includes the full fire control group with standard curved mil-spec trigger, hammer, disconnector, safety selector, bolt catch, magazine catch, magazine release button, pivot pin, takedown pin, trigger guard, buffer retainer, and the full set of pins, springs, and detents, finished in a mix of Phosphate and anodized coatings across its steel, aluminum, and polymer components. A mil-spec A2 pistol grip in black is included with its grip screw and washer.

Follow all manufacturer instructions and safe handling practices.

Ensure compliance with all applicable federal, state, and local laws.