Davidson Defense Aegis Lightweight 18-inch Rifle-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit, Plan B Sentinel Caged Flash Hider

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.