.308 SS 18" Billet Upper Assembly

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When you’re looking for a 18” .308 Upper, Black Aura Tactical has just what the doctor ordered. Black Aura’s .308 upper is a quality AR-10 platform firearm featuring a 18” Stainless Steel Fluted barrel chambered to .308 Win with 1:10 twist rifling. This 18” .308 Win complete upper features Black Aura’s free-floating spiral handguard. The upper receiver at the heart of this system is Black Aura’s machined Billet receiver, which features a 0.750” micro gas block, and linear compensator finish the assembly, leaving it nearly ready to marry with your favorite lower, add a BCG, and hit the range.


Upper Receiver: Billet / LR308 Compatible

Barrel Length: 18"

Barrel Finish: Stainless Steel Fluted

Twist Rate: 1 in 10"

Chamber: .308 Win

M4 Feed Ramps: Yes

Muzzle Device: Linear Compensator

Gas System Length: Mid-Length

Gas Block Diameter: 0.750"

Handguard: Free Floating 15" BLACK