The Aegis Lightweight 18-inch Rifle Upper Kit offers a precision-engineered solution for AR-15 enthusiasts. Compatible with 5.56 NATO, this kit features an 18-inch Government Profile barrel crafted from 4140 gun steel with a nitride finish and a 1:7 twist rate. The rifle gas system ensures reliable cycling, while the upper receiver is made from durable 7075 T6 aluminum with anodized coating.
This kit includes a 15-inch freefloat M-Lok handguard, constructed from 6061-T6 aluminum with a Type III hard coat anodized finish, allowing for customizable accessory attachments. Additionally, the package comes with the Breek Arms Plan B Scorch 3-prong flash hider, made from 4140 hardened steel and designed with a 1/2x28 thread pitch. This upper build kit delivers performance and versatility for any gunsmith seeking functionality and freedom in their rifle builds.
Platform: AR-15
Caliber: 5.56x45mm NATO
Barrel: 18" 5.56 NATO Government Profile Barrel, 1:7 Twist, Nitride, 1/2x28
Barrel Length: 18-inch
Barrel Material: 4140 Gun Steel
Barrel Twist Rate: 1:7
Barrel Thread Pitch: 1/2x28
Barrel Profile: Government
Barrel Finish: Nitride
Gas System: Rifle
Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps, 7075 T6 Aluminum, Anodized
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Length: 15-inch
Handguard Style: Freefloat
Handguard Attachment System: M-Lok
Handguard Color: Black
Handguard Finish: Type III Hard Coat Anodized
Gas Block: Micro Low-Profile Gas Block, .750 O.D Barrel Steel
Gas Block Size: 0.75
Gas Block Material: Steel
Muzzle Device: Breek Arms Plan B Scorch 3-Prong Flash Hider, 1/2x28
Muzzle Thread Pitch: 1/2x28
Muzzle Device Material: 4140 Hardened Steel
Muzzle Device Finish: Nitride
Muzzle Device Overall Length: 1.75"
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