Davidson Defense Aegis w/ DTT Plan B Radial Brake 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build

Davidson Defense Aegis AR-15 Complete Upper - 7.5-inch, 5.56 NATO, Pistol Gas, M-Lok Freefloat Handguard, DTT Plan B Radial Brake

The Davidson Defense Aegis is a 5.56 NATO AR-15 complete upper built around a 7075-T6 aluminum upper receiver with an anodized finish. The build includes an Irithyll 7.5-inch contour profile barrel in 4150 chrome moly vanadium steel with a phosphate finish, a 1:7 twist rate, and a 1/2x28 thread pitch, a freefloat M-Lok handguard in black 6061-T6 aluminum, a micro low-profile 0.750 pistol gas block, a Plan B Radial Hole Brake in 17-4 stainless steel with a black nitride finish at 1/2x28, a nitride-finished 9310 alloy steel bolt carrier group, and an AR-15 M4 charging handle.

Key Features

• 7075-T6 aluminum upper receiver, anodized finish
• Irithyll 7.5-inch contour profile barrel, 4150 chrome moly vanadium, phosphate finish
• 5.56 NATO
• 1:7 twist rate
• 1/2x28 thread pitch
• Pistol gas system
• Micro low-profile 0.750 gas block
• Freefloat M-Lok handguard, 6061-T6 aluminum, black
• Plan B Radial Hole Brake, 17-4 stainless steel, black nitride finish, 1/2x28
• 9310 alloy steel bolt carrier group, nitride finish
• AR-15 M4 charging handle

Perfect For

• AR-15 builders sourcing a complete 5.56 NATO upper with BCG and charging handle included and the DTT Plan B muzzle device in a compact 7.5-inch configuration
• Shooters pairing this complete upper with an existing AR-15 lower assembly
• Builders looking for a compact 5.56 NATO complete upper with a Plan B compatible muzzle device

Irithyll Barrel and Gas System

The Irithyll barrel is a 7.5-inch contour 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 pistol-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 Plan B Radial Hole Brake is 17-4 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, forming the structural core of the upper assembly. The 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. The BCG and AR-15 M4 charging handle work together to cycle the action and complete the upper side component set needed to run this complete upper on a lower receiver.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.