Davidson Defense Atriox w/Magpul BTR Brace 10.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Full Build Kit

Davidson Defense Atriox AR-9 Pistol Full Build Kit - 10.5-inch, 9mm, M-Lok Freefloat Handguard, Magpul BTR Brace

The Davidson Defense Atriox is a 9mm AR-9 pistol full build kit built around a 7075-T6 aluminum upper receiver with an anodized finish. The kit includes a Bear Creek 10.5-inch barrel in nitride-treated steel with a black nitride finish, a 1:10 twist rate, and a 1/2x36 thread pitch, a 10-inch freefloat M-Lok handguard in black 6061-T6 aluminum with a quad rail on the front end, a 9mm A2 Birdcage flash hider at 1/2x36, a nitride-finished 8620 alloy steel 9mm bolt carrier group, a Mil-Spec M4 charging handle, a Magpul BTR black polymer pistol brace compatible with standard Mil-Spec buffer tubes, a Mil-Spec heavy-duty 6-position aluminum buffer tube, a 5.5 oz buffer, a recoil spring, an end plate, and a castle nut. The upper receiver, 10-inch freefloat M-Lok handguard with front quad rail, and Bear Creek barrel form the complete upper assembly. The 9mm BCG and charging handle work together to complete the upper cycling component set, and the Magpul BTR brace, Mil-Spec buffer tube, and buffer system cover the rear end of the build. Lower receiver not included.

Key Features

• 7075-T6 aluminum upper receiver, anodized finish
• Bear Creek 10.5-inch barrel, nitride-treated steel, black nitride finish
• 9mm
• 1:10 twist rate
• 1/2x36 thread pitch
• 10-inch freefloat M-Lok handguard, 6061-T6 aluminum, black, quad rail on front end
• 9mm A2 Birdcage flash hider, 1/2x36
• 8620 alloy steel 9mm bolt carrier group, nitride finish
• Mil-Spec M4 charging handle
• Magpul BTR black polymer pistol brace, Mil-Spec buffer tube compatible
• Mil-Spec heavy-duty 6-position aluminum buffer tube
• 5.5 oz buffer
• Recoil spring
• End plate
• Castle nut
• Lower receiver not included

Perfect For

• AR-9 pistol builders sourcing a complete 9mm full build kit with the Magpul BTR brace in a compact 10.5-inch configuration
• Shooters pairing this kit with an existing AR-9 lower receiver
• Builders looking for a compact 9mm pistol build kit with a front quad rail freefloat handguard and Magpul BTR brace

Bear Creek Barrel and Muzzle Device

The Bear Creek barrel is a 10.5-inch unit in nitride-treated steel with a black nitride finish, chambered in 9mm with a 1:10 twist rate and a 1/2x36 thread pitch. A 9mm A2 Birdcage flash hider at 1/2x36 covers the muzzle end of this build kit.

Upper Receiver and Handguard

The 7075-T6 aluminum upper receiver features an anodized finish, forming the structural core of the upper assembly. The 10-inch freefloat M-Lok handguard is 6061-T6 aluminum in black with a quad rail section on the front end, surrounding the barrel without contact and providing M-Lok mounting positions and front quad rail sections for compatible accessories.

Bolt Carrier Group and Charging Handle

The included 9mm bolt carrier group is 8620 alloy steel with a nitride finish. The BCG and Mil-Spec M4 charging handle work together to cycle the action and complete the upper side component set.

Brace and Buffer System

The Magpul BTR black polymer pistol brace is compatible with standard Mil-Spec buffer tubes and is included with a Mil-Spec heavy-duty 6-position aluminum buffer tube. The buffer system consists of a 5.5 oz buffer and a recoil spring. An end plate and castle nut complete the rear hardware included with this full build kit.

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