Davidson Defense Polymer AR Brace AR-9 Pistol Buffer Tube Kit w/ Ambidextrous QD End Plate

Davidson Defense Polymer AR Pistol Brace Buffer Tube Kit with Ambidextrous QD End Plate - 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 steel ambidextrous QD receiver end plate with a center-positioned QD sling swivel attachment point, and a steel carbine castle nut compatible with Mil-Spec receiver extensions. 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 on brace
• 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
• Steel ambidextrous QD receiver end plate, center-positioned QD attachment point
• Steel carbine castle nut, Mil-Spec receiver extension compatible
• Made in the USA

Perfect For

• AR-9 pistol builders sourcing a complete brace and buffer system with an ambidextrous QD end plate in a single purchase
• Builders completing the rear receiver assembly on an AR-9 pistol build with enhanced sling attachment options

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 steel ambidextrous QD receiver end plate with a center-positioned QD sling swivel attachment point compatible with push-button QD sling swivels. A steel carbine castle nut compatible with Mil-Spec receiver extensions is also included. 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.