Davidson Defense Aegis Lightweight w/Magpul BTR Brace 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit

Davidson Defense Aegis Lightweight AR-15 Pistol Full Build Kit with Magpul BTR Brace - 10.5-inch 5.56 NATO Carbine-Gas 1:7 Freefloat M-Lok Handguard

The Davidson Defense Aegis Lightweight with Magpul BTR Brace is an AR-15 pistol full build kit chambered in 5.56 NATO with a 10.5-inch government profile barrel. The kit includes the upper assembly, bolt carrier group, charging handle, Magpul BTR polymer pistol brace, mil-spec heavy-duty 6-position buffer tube, 3 oz carbine buffer, lower parts kit, and all associated buffer system hardware. The lower receiver is not included.

Key Features

• 10.5-inch 4150 CrMoV steel government profile barrel
• Phosphate barrel finish
• 1:7 twist rate
• 1-in-2x28 thread pitch
• Carbine-length gas system with .750 O.D. micro low-profile gas block
• 7075-T6 aluminum upper receiver with M4 feed ramps, anodized finish
• Freefloat M-Lok handguard in 6061-T6 aluminum
• Complete bolt carrier group in 9310 alloy steel, nitride finish
• Mil-spec M4 charging handle
• GI birdcage flash hider, 1-in-2x28 thread pitch
• Magpul BTR polymer pistol brace in black
• Mil-spec heavy-duty 6-position buffer tube
• 3 oz carbine buffer

Perfect For

• AR-15 pistol builders sourcing a complete kit around a 10.5-inch 5.56 NATO upper
• Builders completing a stripped mil-spec AR-15 lower receiver
• Shooters running a freefloat M-Lok handguard configuration
• Builders adding a Magpul BTR brace to an AR-15 pistol build

Barrel and Gas System

The 10.5-inch government profile barrel is 4150 CrMoV steel with a phosphate finish and a 1:7 twist rate. The muzzle is threaded at 1-in-2x28 and pairs with the included GI birdcage flash hider. The carbine-length gas system uses a .750 O.D. micro low-profile gas block in steel, positioned beneath the handguard.

Upper Receiver and Handguard

The upper receiver is 7075-T6 aluminum with M4 feed ramps and an anodized finish. The freefloat M-Lok handguard is 6061-T6 aluminum in black, providing a clean forend with M-Lok accessory slots along its surface. The handguard length matches the 10.5-inch barrel, with the muzzle device providing clearance beyond the handguard.

Bolt Carrier Group and Charging Handle

The included bolt carrier group is a complete AR-15 unit built from 9310 alloy steel with a nitride finish. It is compatible with 5.56 NATO, .223 Remington, .300 Blackout, and .350 Legend configurations. The mil-spec M4 charging handle completes the upper component set.

Magpul BTR Brace and Buffer System

The Magpul BTR pistol brace is polymer in black and pairs with the included mil-spec heavy-duty 6-position buffer tube. The 3 oz carbine buffer, lower parts kit, and all associated buffer system hardware cover the core lower completion components outside the serialized lower receiver.

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