This 18” 22 ARC barrel is machined from 416 Stainless Steel with a QPQ finish. Our Premium Black Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension.
Specifications:
- Length: 18″
- Material: Hardened 416R Stainless Steel
- Profile: SPR
- Finish: QPQ Corrosion Resistant
- Twist Rate: 1:7″
- Gas System Length: Rifle
- Gas Block Journal: .750″
- Muzzle: 1/2×28 Threaded
- Weight: 41.3oz
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