{"product_id":"proof-research-pr15-6mm-arc-carbon-fiber-ar-style-barrel-20in-rifle-1-gas-system-130438","title":"Proof Research PR15 6mm ARC Carbon Fiber AR-Style Barrel 20in Rifle+1 Gas System 130438","description":"Product Description\n\u003cp\u003eThe Proof Research PR15 Carbon Fiber AR-Style Barrel in 6mm ARC is built for shooters who demand the best in precision, durability, and weight savings. This 20-inch barrel features a Rifle +1 length gas system and a 1:7.5\" twist rate with 4-groove rifling, optimized to stabilize a wide range of 6mm ARC projectiles for exceptional long-range accuracy. The barrel is wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin, reducing weight by up to 64% compared to traditional steel barrels of similar contour. The carbon fiber construction also delivers superior heat dissipation, keeping the barrel cooler and extending its lifespan during sustained fire. A 5\/8-24 TPI muzzle thread accommodates a broad selection of suppressors and muzzle devices, while the .750-inch gas block journal ensures compatibility with standard AR-platform components. Whether you are competing on the range, hunting in the backcountry, or building a precision rifle, the PR15 Carbon Fiber Barrel sets the standard for modern AR-platform barrel technology.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 64% Lighter:\u003c\/strong\u003e Carbon fiber wrap dramatically reduces weight compared to traditional steel barrels of similar contour, improving maneuverability and reducing shooter fatigue.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior Heat Dissipation:\u003c\/strong\u003e Aerospace-grade carbon fiber construction provides improved heat dissipation for cooler, longer-lasting performance during sustained or high-volume fire.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAerospace-Grade Carbon Fiber Wrap:\u003c\/strong\u003e Wrapped with high-strength carbon fiber impregnated with a proprietary matrix resin for unprecedented durability, rigidity, and corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6mm ARC Precision Chambering:\u003c\/strong\u003e 1:7.5\" twist rate with 4-groove rifling is optimized for 6mm ARC cartridges, delivering outstanding accuracy at long range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5\/8-24 TPI Muzzle Threading:\u003c\/strong\u003e Ready to accept a wide variety of suppressors and muzzle devices for versatile and user-configurable rifle builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Proof Research\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PR15 Carbon Fiber AR Barrel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e PR15\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e 130438\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 843068130438\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 6mm ARC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 20\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas System:\u003c\/strong\u003e Rifle +1 Length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwist Rate:\u003c\/strong\u003e 1:7.5\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrooves:\u003c\/strong\u003e 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Thread:\u003c\/strong\u003e 5\/8-24 TPI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block Journal Diameter:\u003c\/strong\u003e .750 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon Fiber \/ Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Stainless\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2 lbs. 1 oz.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlatform Compatibility:\u003c\/strong\u003e AR-15 \/ PR15 Series\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.\u003c\/em\u003e\u003c\/p\u003e\n]]\u0026gt;","brand":"PROOF RESEARCH","offers":[{"title":"Default Title","offer_id":44134839943290,"sku":"FLX-152026","price":1035.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/308991128.png?v=1781061890","url":"https:\/\/tlooutdoors.com\/products\/proof-research-pr15-6mm-arc-carbon-fiber-ar-style-barrel-20in-rifle-1-gas-system-130438","provider":"TLO Outdoors","version":"1.0","type":"link"}