{"product_id":"proof-research-pr15-pxt-6mm-arc-20-1-7-5-twist-carbon-fiber-ar-15-barrel","title":"Proof Research PR15 PXT 6mm ARC 20\" 1:7.5 Twist Carbon Fiber AR-15 Barrel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eProof Research PR15 PXT\u003c\/span\u003e\u003c\/strong\u003e is an \u003cstrong\u003eAR-15 platform barrel\u003c\/strong\u003e chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e6mm ARC\u003c\/span\u003e\u003c\/strong\u003e. The \u003cstrong\u003ePXT contour\u003c\/strong\u003e pairs a \u003cstrong\u003e20-inch\u003c\/strong\u003e length with a \u003cstrong\u003e1:7.5 twist\u003c\/strong\u003e rate, and the barrel features Proof Research's signature \u003cstrong\u003ecarbon fiber wrapped stainless steel\u003c\/strong\u003e construction.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned for the AR-15 platform, the PR15 PXT brings Proof Research's carbon fiber barrel technology to the modern 6mm ARC cartridge. The 1:7.5 twist rate is optimized to stabilize a wide range of 6mm ARC bullet weights, from lightweight projectiles through heavier match and hunting loads. This barrel is an ideal foundation for a precision AR-15 build chambered in 6mm ARC.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55084184174914,"sku":"198890","price":1140.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_c9621c3c-f4a3-4e19-9a0a-ec853d940c5f.png?v=1784768775","url":"https:\/\/centerfiresystems.com\/products\/proof-research-pr15-pxt-6mm-arc-20-1-7-5-twist-carbon-fiber-ar-15-barrel","provider":"Centerfire Systems","version":"1.0","type":"link"}