© MidwayUSAProof Research AR-15 Barrel 22 ARC 14.5" 1:7" Twist Stainless
- Brand
- Proof Research
- Color
- Stainless
- Category
- Gun Parts
- Platform
- AR-15
- Mount Type
- Direct Thread
- Barrel Length
- 14.5in
- Gun Part Type
- Upper Receiver
- UPC
- 843068143452
Overview
The Proof Research AR-15 barrel is a 14.5-inch, 1:7-inch twist barrel chambered in 22 ARC. Each barrel begins as a 416R match-grade stainless steel blank, which is turned to a reduced profile and wrapped in aerospace-grade carbon fiber impregnated with a proprietary resin. This construction method dissipates heat more effectively than steel and provides up to 64% weight reduction. Engineered for consistent accuracy, the barrel is designed to maintain performance during high-volume fire without point-of-impact shift.
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