Davidson Defense Aegis 10.5-inch Pistol-Gas 1:8 300 AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build, Plan B Scorch 3-Prong Flash Hider

Aegis 300 Blackout AR-15 Pistol Complete Upper Build with Plan B Scorch Flash Hider

The Aegis Complete Upper Build from Delta Team Tactical is a 300 Blackout AR-15 pistol upper centered on a 7075-T6 aluminum upper receiver, a 10.5 inch steel barrel, and a 10 inch ultra lightweight M-LOK handguard. This build includes a complete bolt carrier group, a Mil-Spec charging handle, a standard forward assist assembly, and an ejection port door with rod and spring, rounding out the upper component set. The kit includes a Breek Arms Plan B Scorch 3-Prong flash hider, which supports modular suppressor mounting ecosystems.

Key Features

• Aegis 7075-T6 aluminum upper receiver, black anodized
• 10.5 inch 300 Blackout barrel, steel, parkerized finish
• HBAR profile, 1-8 twist rate
• 10 inch ultra lightweight M-LOK handguard
• Premium low profile 750 adjustable gas block
• Breek Arms Plan B Scorch 3-Prong flash hider
• 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

Perfect For

• Builders sourcing a complete 300 Blackout AR-15 pistol upper to pair with their own lower
• Shooters wanting a modular suppressor mounting setup with the Plan B flash hider included
• Builders who want the upper, BCG, and charging handle covered in one package

Upper Assembly and Barrel

The Aegis upper assembly pairs a 7075-T6 aluminum upper receiver with a 10.5 inch steel barrel and a 10 inch ultra lightweight M-LOK handguard. The barrel is parkerized and built in an HBAR profile, cut with a 1-8 twist rate. The upper receiver includes M4 feed ramps and uses a pistol length gas system with a premium low profile 750 adjustable gas block. Together these components make up the front end of this 300 Blackout AR-15 pistol build.

Bolt Carrier Group and Charging Handle

This build 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.

Plan B Scorch Flash Hider

This build includes a Breek Arms Plan B Scorch 3-Prong flash hider. The Plan B design supports modular suppressor mounting ecosystems, giving builders a flexible option for future suppressor use on this 300 Blackout platform.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Verify compatibility and secure mounting before use. Follow lawful use guidelines in your jurisdiction.