This is a complete AR-15 pistol build kit designed for shooters who want a compact, reliable platform without the complexity of sourcing individual components. The Aegis Lightweight combines a 10.5-inch stainless steel barrel, free-float M-Lok handguard, and Gauntlet Arms brace in a single package. Everything you need to complete a lower receiver is included except the serialized lower receiver itself.
This kit delivers a 10.5-inch barrel in a pistol configuration, making it ideal for confined spaces and quick handling. The stainless steel construction resists corrosion, and the government profile barrel pairs with the 1:7 twist rate to stabilize standard 5.56 ammunition reliably. The free-float handguard isolates the barrel from the upper receiver, supporting consistent accuracy without external pressure interference.
The Aegis Lightweight includes a mil-spec charging handle, 9310 alloy steel bolt carrier with nitride finish, and carbine-length recoil spring with 3 oz buffer. The Gauntlet Arms brace provides a stable platform for one-handed or two-handed shooting. All buffer tube components, including the castle nut and end plate, are included. This kit gives you everything except the lower receiver, which is the only serialized component you'll need to source separately.
The 416R stainless barrel offers superior corrosion resistance compared to chrome-moly alternatives, making it a smart choice for shooters in humid climates or those who shoot suppressed. The polished stainless finish maintains its appearance over time. The 7075 T6 aluminum upper receiver with hard anodized finish provides a lightweight yet durable housing for the barrel and bolt carrier group.
Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Lower receiver not included. Verify local laws regarding pistol brace legality before assembly.
Caliber: 5.56x45mm NATO
Barrel Material: 416R Stainless Steel
Barrel Thread Pitch: 1/2x28
Barrel Length: 10.5-inch
Barrel Finish: Polished Stainless Steel
Barrel Profile: Government
Barrel Twist Rate: 1:7
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: Aircraft-Grade Aluminum
Handguard Color: Black
Handguard Style: Free Float
Charging Handle: Mil-Spec Quality
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Muzzle Device: Muzzle Device
Muzzle Thread Pitch: 1/2x28
Buffer Tube Kit: Pistol Buffer Tube- T-P
Buffer Spring: AR-15 Carbine Recoil Spring 00S
Buffer Weight: 3 oz.
Receiver End Plate: Mil-Spec Receiver End Plate 00P AL-1051
Buffer Tube Components: AR-15 Carbine Castle Nut AL-1053
Pistol Brace Material: Nylon Reinforced Polymer
Pistol Brace Color: Black
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