© MidwayUSAProof Research AR-15 Barrel 22 ARC 18" 1:7" Twist Stainless
- Brand
- Proof Research
- Color
- Stainless
- Caliber
- .223 Remington
- Category
- Gun Parts
- Platform
- AR-15
- Mount Type
- Direct Thread
- Barrel Length
- 18in
- Gun Part Type
- Upper Receiver
- UPC
- 843068143476
Overview
The Proof Research AR-15 Barrel in .22 ARC features an 18-inch length, a 1:7" twist rate, and a 5/8-24 mounting thread pitch with a stainless finish. Proof Research barrels begin as match-grade 416R stainless steel blanks before being wrapped in aerospace-grade, high-strength carbon fiber using a proprietary matrix resin and helical wrapping pattern. This carbon fiber composite construction provides exceptional thermal diffusivity to rapidly dissipate heat, maintains point-of-impact stability during high-volume strings of fire, reduces harmonic vibration, and creates a durable barrel that is significantly lighter than traditional steel alternatives of comparable contour.
Price & Stock History
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