AR-15 4″ Pistol SB Brace Build Kit With Milspec Buffer Tube in Anodized Bronze

Description

Construct a compact AR-15 pistol platform with this build kit, combining a 4-inch handguard, T6 aluminum pistol grip, and six-position buffer tube. Designed for builders who require precise fitment and lightweight components, the kit includes all necessary hardware to complete the upper-to-lower transition, including a proprietary barrel nut for secure handguard attachment.

The 4-inch handguard is machined from T6 Aluminum and features an Anodized Bronze Finish. Weighing just 6.2 oz including the barrel nut, it provides a tight fit against the receiver for a monolithic top rail. The handguard incorporates an M-LOK System for accessory mounting and is compatible with a 4-inch pistol length gas system. It is made in the USA.

The pistol grip is also crafted from T6 Aluminum with an Anodized Bronze Finish. This skeletonized design reduces weight to 3.6 oz while maintaining structural integrity. Ergonomic finger grooves are integrated into the grip for improved handling, and the component is designed to pair with SBA Tactical Braces for brace-compatible builds.

The buffer tube assembly ensures reliable operation with a six-position tube made from T6 Aluminum. The kit includes a castle nut, end plate, a 3 oz stainless steel car buffer, and a chrome silicon spring. The total weight of the buffer tube assembly is 9.6 oz. This combination of materials and finishes provides a durable, cohesive aesthetic for your upper receiver project.