Davidson Defense Atriox w/SBA5 Brace 11.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit

Atriox 556 NATO AR-15 Pistol Full Build Kit with SBA5 Brace

The Atriox Full Build Kit from Delta Team Tactical is a 556 NATO AR-15 pistol build package centered on a 7075-T6 aluminum upper receiver, an 11.5 inch M4 profile barrel, and a 10 inch free float M-LOK handguard. This kit covers the core upper and lower component set for a 556 NATO AR-15 pistol build, including a complete bolt carrier group, a Mil-Spec charging handle, a complete Mil-Spec lower parts kit, a full buffer system, and an SB Tactical SBA5 stabilizing brace. Lower receiver not included.

Key Features

• Atriox 7075-T6 aluminum upper receiver, black anodized
• 11.5 inch 556 NATO barrel, M4 profile, phosphate finish
• 1-7 twist rate
• 10 inch free float M-LOK handguard
• Front quad rail, slant front design
• Front and rear QD points
• A2 GI birdcage flash hider
• One half inch black crush washer
• M4 feed ramps
• Complete AR-15 bolt carrier group, 556, 223, 300, 350 compatible
• Mil-Spec M4 charging handle
• Standard forward assist assembly
• Ejection port door with rod and spring
• Complete Mil-Spec AR-15 lower parts kit
• SB Tactical SBA5 pistol stabilizing brace, black
• Mil-Spec 6-position buffer tube
• 3 oz standard carbine buffer
• Standard AR-15 carbine recoil spring
• Mil-Spec receiver end plate
• AR-15 carbine castle nut

Perfect For

• Builders sourcing a complete 556 NATO AR-15 pistol build kit around their own lower receiver
• Shooters wanting a free float M-LOK build with a birdcage flash hider and brace included
• Builders who want the upper, BCG, lower parts kit, buffer system, and brace covered in one package

Upper Assembly and Barrel

The Atriox upper assembly pairs a 7075-T6 aluminum upper receiver with an 11.5 inch M4 profile barrel and a 10 inch free float M-LOK handguard. The barrel is phosphate finished, cut with a 1-7 twist rate. The handguard includes a front quad rail with a slant front design along with front and rear QD points and anti-rotation tabs. The upper receiver includes M4 feed ramps and uses a carbine length gas system with a micro low profile steel gas block. Together these components make up the front end of this 556 NATO AR-15 pistol build.

Bolt Carrier Group and Charging Handle

This kit includes a complete bolt carrier group compatible with 556, 223, 300, and 350 calibers, made in the USA. A Mil-Spec M4 charging handle, standard forward assist assembly, and ejection port door with rod and spring are also included. These components round out the upper side of this AR-15 pistol build.

A2 Birdcage Flash Hider

This kit includes an A2 GI birdcage flash hider compatible with 556 NATO and 223 Remington, along with a one half inch black crush washer. The flash hider is included as part of this 556 NATO AR-15 pistol build.

Lower Parts Kit and Buffer System

This kit includes a complete Mil-Spec AR-15 lower parts kit along with a Mil-Spec 6-position buffer tube, a 3 oz standard carbine buffer, and a standard carbine recoil spring. A Mil-Spec receiver end plate and castle nut round out the rear hardware for this build. These components cover the core lower completion parts included with this kit outside of the lower receiver. Lower receiver not included.

SB Tactical SBA5 Brace

This kit includes an SB Tactical SBA5 pistol stabilizing brace in black, compatible with the Mil-Spec buffer tube included in this kit. It is included as part of this 556 NATO AR-15 pistol build kit.

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