Davidson Defense Aegis Lightweight 16-inch Carbine-Gas 1:8 .338 ARC AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit, Plan B A7 Flash Hider

The Aegis Lightweight 16-inch Carbine-Gas 1:8 .338 ARC AR-15 Upper Build Kit is engineered for precision and versatility. It features a 16-inch barrel made from 4150 CMV steel with a parkerized finish, HBAR profile, and a 1:8 twist rate, optimizing performance for .338 ARC. The carbine-length gas system works seamlessly with a micro low-profile gas block for reliable cycling.

Designed for flexibility, the 15-inch freefloat M-Lok handguard is constructed from 6061-T6 aluminum, providing a lightweight yet sturdy platform for accessories. The upper receiver is made from robust 7075 T6 aluminum with an anodized finish, ensuring durability. At the muzzle, the Plan B A7 Flash Hider, crafted from 17-4 stainless steel and treated with a nitride finish, effectively minimizes flash and maintains a clean aesthetic. This upper build kit is ideal for gunsmiths seeking functionality and quality in their custom AR-15 setups.