Davidson Defense Polymer AR Brace AR-9 Pistol Buffer Tube Kit

Davidson Defense Polymer AR Pistol Brace Buffer Tube Kit - AR-9

The Davidson Defense Polymer AR Pistol Brace Buffer Tube Kit is a complete pistol buffer system for AR-9 platforms. The kit includes a fixed reinforced polymer pistol brace in matte black with a lightweight skeletonized structure, flat-end rear profile, and integrated ambidextrous QD sling socket, a heavy-duty steel pistol buffer tube in black, a 5.5 oz 9mm carbine buffer, a heat-treated steel carbine recoil spring, a Mil-Spec steel receiver end plate, and a steel carbine castle nut. Made in the USA.

Key Features

• Fixed reinforced polymer pistol brace, matte black
• Lightweight skeletonized structure
• Flat-end rear profile
• Integrated ambidextrous QD sling socket
• Push-button QD sling swivel compatible
• Heavy-duty steel pistol buffer tube, black
• AR-9 compatible
• 5.5 oz 9mm carbine buffer
• Heat-treated steel carbine recoil spring
• Mil-Spec steel receiver end plate
• Steel carbine castle nut
• Made in the USA

Perfect For

• AR-9 pistol builders sourcing a complete brace and buffer system in a single purchase
• Builders completing the rear receiver assembly on an AR-9 pistol build

Pistol Brace

The fixed pistol brace is reinforced polymer in matte black with a lightweight skeletonized structure. It features a flat-end rear profile and an integrated ambidextrous QD sling socket compatible with push-button QD sling swivels. The brace is fixed position and non-adjustable, compatible with pistol buffer tube smooth tube interfaces.

Buffer Tube and Buffer System

The heavy-duty steel pistol buffer tube is black finished and compatible with AR-15 and AR-style pistol platforms. The buffer system includes a 5.5 oz 9mm carbine buffer and a heat-treated steel carbine recoil spring. These components cover the core rear support hardware for the AR-9 pistol buffer tube side of the build.

End Plate and Castle Nut

The kit includes a Mil-Spec steel receiver end plate compatible with AR-15 and M16 platforms and a steel carbine castle nut compatible with Mil-Spec receiver extensions. These two components complete the rear hardware included with this pistol brace buffer tube kit.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.