The Aegis Lightweight 18-inch Rifle-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit offers a robust assembly for performance-focused gunsmiths. It features an 18-inch Government Profile Barrel made from 4140 gun steel with a nitride finish, providing durability and longevity. The barrel twist rate of 1:7 is optimized for a range of bullet weights, making it suitable for various shooting applications. The upper receiver is crafted from 7075-T6 aluminum and finished with anodization for added strength.
The freefloat M-Lok handguard, constructed from 6061-T6 aluminum, allows for accessory customization while maintaining accuracy. Included is a micro low-profile gas block and the Breek Arms Plan B Sentinel caged flash hider, designed with closed tines for superior flash suppression. This upper build kit is a reliable choice for those seeking quality and performance in the 5.56 NATO platform.
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 Finish: Nitride
Barrel Profile: Government
Barrel Twist Rate: 1:7
Barrel Thread Pitch: 1/2x28
Barrel Gas System Length: 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 Color: Black
Handguard Style: Free Float
Gas Block: Micro Low-Profile Gas Block, .750 O.D Barrel Steel
Gas Block Size: 0.750
Muzzle Device: Breek Arms Plan B Sentinel Caged Flash Hider
Muzzle Device Details: Closed-tine, fully shrouded (caged) for superior flash suppression
Muzzle Thread Pitch: 1/2x28
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