Davidson Defense Aegis w/ DTT Plan B Radial Brake w/SBA5 Brace 14.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit

Davidson Defense Aegis AR-15 Pistol Full Build Kit - 14.5-inch, 5.56 NATO, Carbine Gas, M-Lok Freefloat Handguard, DTT Plan B Radial Brake, SB Tactical SBA5 Brace

The Davidson Defense Aegis is a 5.56 NATO AR-15 pistol full build kit built around a 7075-T6 aluminum upper receiver with an anodized finish and M4 feed ramps. The kit includes a 14.5-inch government profile barrel in 4150 chrome moly vanadium steel with a phosphate finish, a 1:7 twist rate, and a 1/2x28 thread pitch, a 12-inch freefloat M-Lok handguard in black 6061-T6 aluminum, a micro low-profile 0.750 carbine gas block, a Delta Team Tactical Plan B Muzzle Radial Hole Brake at 1/2x28, a nitride-finished 9310 alloy steel bolt carrier group compatible with 5.56 and .223 and .300 and .350, a Mil-Spec M4 charging handle, an SB Tactical SBA5 black nylon reinforced polymer pistol stabilizing brace, a Mil-Spec heavy-duty 6-position aluminum buffer tube, a 3 oz aluminum buffer with internal steel weights, a recoil spring, a Mil-Spec receiver end plate, and a castle nut. Lower receiver not included.

Key Features

• 7075-T6 aluminum upper receiver, anodized finish, M4 feed ramps
• 14.5-inch government profile barrel, 4150 chrome moly vanadium, phosphate finish
• 5.56 NATO
• 1:7 twist rate
• 1/2x28 thread pitch
• Carbine gas system
• Micro low-profile 0.750 gas block
• 12-inch freefloat M-Lok handguard, 6061-T6 aluminum, black
• Delta Team Tactical Plan B Muzzle Radial Hole Brake, 1/2x28
• 9310 alloy steel bolt carrier group, nitride finish, 5.56 and .223 and .300 and .350 compatible
• Mil-Spec M4 charging handle
• SB Tactical SBA5 black nylon reinforced polymer pistol stabilizing brace
• Mil-Spec heavy-duty 6-position aluminum buffer tube
• 3 oz aluminum buffer with internal steel weights
• Recoil spring
• Mil-Spec receiver end plate
• Castle nut
• Lower receiver not included

Perfect For

• AR-15 pistol builders sourcing a complete 5.56 NATO full build kit with the DTT Plan B muzzle device and SBA5 brace in a 14.5-inch configuration
• Shooters pairing this kit with an existing AR-15 lower receiver
• Builders looking for a carbine gas freefloat M-Lok full build kit in 5.56 NATO with a Plan B compatible muzzle device

Barrel and Gas System

The barrel is a 14.5-inch government profile unit in 4150 chrome moly vanadium steel with a phosphate finish, chambered in 5.56 NATO with a 1:7 twist rate and a 1/2x28 thread pitch. The carbine-length gas system pairs with a micro low-profile 0.750 gas block to cover the gas regulation side of the upper.

Plan B Muzzle Device

The DTT Plan B Muzzle Radial Hole Brake threads at 1/2x28 and supports modular suppressor mounting ecosystems, serving as the attachment interface for Plan B compatible suppressor systems.

Upper Receiver and Handguard

The upper receiver is 7075-T6 aluminum with an anodized finish and M4 feed ramps, forming the structural core of the upper assembly. The 12-inch freefloat M-Lok handguard is 6061-T6 aluminum in black, surrounding the barrel without contact and providing M-Lok mounting positions for compatible accessories.

Bolt Carrier Group and Charging Handle

The included bolt carrier group is 9310 alloy steel with a nitride finish, compatible with 5.56, .223, .300, and .350 platforms. 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 SB Tactical SBA5 black nylon reinforced polymer pistol stabilizing brace is included with a Mil-Spec heavy-duty 6-position aluminum buffer tube. The buffer system consists of a 3 oz aluminum buffer with internal steel weights and a recoil spring. A Mil-Spec receiver 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.