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

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

The Davidson Defense Aegis is a 5.56 NATO AR-15 pistol upper 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, and a Delta Team Tactical Plan B Muzzle Radial Hole Brake in 17-4 H1150 stainless steel with a black nitride finish at 1/2x28. BCG and charging handle are 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, 17-4 H1150 stainless steel, black nitride finish, 1/2x28
• BCG not included
• Charging handle not included

Perfect For

• AR-15 pistol builders sourcing a 5.56 NATO upper build kit with the DTT Plan B muzzle device without BCG and charging handle in a 14.5-inch configuration
• Shooters pairing this upper kit with an existing AR-15 lower assembly and their own BCG and charging handle
• Builders looking for a carbine gas freefloat M-Lok upper 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 is 17-4 H1150 stainless steel with a black nitride finish, threaded at 1/2x28. It supports modular suppressor mounting ecosystems and serves 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.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. BCG and charging handle are not included.