{"product_id":"proof-research-130384-ar-style-barrel-6mm-arc-20-1-7-5-twist-stainless-rifle-1-gas-system","title":"Proof Research 130384 AR-Style Barrel 6mm ARC 20\" 1:7.5 Twist Stainless - Rifle +1 Gas System","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eProof Research 130384 AR-Style Barrel\u003c\/span\u003e\u003c\/strong\u003e is a precision \u003cstrong\u003e20\"\u003c\/strong\u003e replacement barrel chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e6mm ARC\u003c\/span\u003e\u003c\/strong\u003e, engineered for builders seeking match-grade accuracy from a standard AR-15 platform. Cut from \u003cstrong\u003estainless steel\u003c\/strong\u003e with a \u003cstrong\u003estainless\u003c\/strong\u003e finish, this barrel brings Proof Research's well-known blend of accuracy, consistency, and corrosion resistance to the 6mm ARC cartridge.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e1:7.5\"\u003c\/strong\u003e twist with \u003cstrong\u003e4 grooves\u003c\/strong\u003e stabilizes a broad range of 6mm ARC bullet weights, making the 130384 well suited to paper punching, hunting, and extended-range shooting. Its \u003cstrong\u003eRifle +1 length\u003c\/strong\u003e gas system uses a \u003cstrong\u003e.750\"\u003c\/strong\u003e gas journal with a \u003cstrong\u003e.093\"\u003c\/strong\u003e gas port for dependable cycling of the 6mm ARC cartridge.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe muzzle is threaded \u003cstrong\u003e5\/8x24\u003c\/strong\u003e, ready to accept your choice of muzzle brake, compensator, or suppressor. Whether you are completing a precision AR build or replacing a worn factory barrel, the \u003cstrong\u003eProof Research 130384\u003c\/strong\u003e delivers the quality serious shooters expect from the brand.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55009099841858,"sku":"152046","price":630.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_efd247e2-f3e2-4859-a19d-c54e5d1d80b5.png?v=1784597783","url":"https:\/\/centerfiresystems.com\/products\/proof-research-130384-ar-style-barrel-6mm-arc-20-1-7-5-twist-stainless-rifle-1-gas-system","provider":"Centerfire Systems","version":"1.0","type":"link"}