© Tactical Surplus USAProof Research 100028 AR-Style Barrel 308 Win 18 Rifle Length Gas System 1:10 Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped, Rifle Barrel
- Brand
- Proof Research
- Color
- Carbon Fiber
- Caliber
- .308 Win
- Category
- Gun Parts
- Platform
- AR-10
- Barrel Length
- 18in
- Gun Part Type
- Barrel
- UPC
- 843068100028
Overview
The Proof Research AR-style barrel for the AR-10 platform is chambered in .308 Winchester with an 18-inch length and a rifle-length gas system. It features a 1:10 twist rate, 5 grooves, and 5/8-24 tpi muzzle threading. The barrel is manufactured using a match-grade 416R stainless steel core wrapped in aerospace-grade carbon fiber impregnated with a proprietary matrix resin. This construction significantly reduces weight compared to traditional steel barrels while providing improved heat dissipation, increased stiffness, and consistent accuracy over extended firing sessions.
Price & Stock History
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