Davidson Defense Aegis w/SBA5 Brace 10.5-inch Pistol-Gas 1:8 300 AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit, Plan B Scorch 3-Prong Flash Hider

Aegis Suppressor Ready 300 Blackout AR-15 Pistol Full Build Kit with SBA5 Brace and Plan B Scorch Flash Hider

The Aegis Full Build Kit from Delta Team Tactical is a 300 Blackout AR-15 pistol build package centered on a stripped 7075-T6 aluminum upper receiver, a 10.5 inch steel barrel, and a 10 inch ultra lightweight M-LOK handguard. This kit covers the core upper and lower component set for a 300 Blackout AR-15 pistol build, including a complete bolt carrier group, a Mil-Spec charging handle, a complete Mil-Spec lower parts kit, a full buffer system, and an SB Tactical SBA5 stabilizing brace. The kit includes a Breek Arms Plan B Scorch 3-Prong flash hider, which supports modular suppressor mounting ecosystems. Lower receiver not included.

Key Features

• Aegis 7075-T6 aluminum stripped 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
• Complete Mil-Spec AR-15 lower parts kit
• SB Tactical SBA5 pistol stabilizing brace, black
• Mil-Spec 6-position buffer tube
• 3 oz standard carbine buffer
• Standard AR-15 carbine recoil spring
• Mil-Spec receiver end plate
• AR-15 carbine castle nut

Perfect For

• Builders sourcing a complete 300 Blackout AR-15 pistol build kit around their own lower receiver
• Shooters wanting a modular suppressor mounting setup with the Plan B flash hider included
• Builders who want the upper, BCG, lower parts kit, buffer system, and brace covered in one package

Upper Assembly and Barrel

The Aegis upper assembly pairs a stripped 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 kit 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 kit 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.

Lower Parts Kit and Buffer System

This kit includes a complete Mil-Spec AR-15 lower parts kit along with a Mil-Spec 6-position buffer tube, a 3 oz standard carbine buffer, and a standard carbine recoil spring. A Mil-Spec receiver end plate and castle nut round out the rear hardware for this build. These components cover the core lower completion parts included with this kit outside of the lower receiver. Lower receiver not included.

SB Tactical SBA5 Brace

This kit includes an SB Tactical SBA5 pistol stabilizing brace in black, compatible with the Mil-Spec 6-position buffer tube included in this kit. It includes integrated QD mounts and is included as part of this 300 Blackout AR-15 pistol build kit.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Lower receiver not included. Verify compatibility and secure mounting before use. Follow lawful use guidelines in your jurisdiction.