{"product_id":"prefit-barrel-q-fix-6cr-20","title":"Proof Research Prefit Barrel for Q Fix – 6mm Creedmoor, 20\"","description":"\u003cp\u003eThe Proof Research Prefit Barrel for Q Fix rifles delivers match-grade accuracy in 6mm Creedmoor with a 20-inch profile. Designed as a direct drop-in replacement, this prefit barrel requires no custom gunsmithing—simply install using the Q Fix's tool-free barrel change system. Proof's carbon fiber-wrapped construction combines a match-grade stainless steel liner with an aerospace carbon fiber sleeve, reducing weight while maintaining thermal stability and precision.\u003c\/p\u003e\u003cp\u003eThis barrel is chambered specifically for 6mm Creedmoor and fits Q Fix rifle actions only. The 20-inch length balances velocity and maneuverability for precision shooting applications. Each barrel is stress-relieved and individually tested to ensure sub-MOA performance. Installation requires adherence to Q's torque specifications and proper headspacing verification.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Prefit replacement barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e Q Fix rifle actions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChambering:\u003c\/strong\u003e 6mm Creedmoor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 20 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Carbon fiber-wrapped stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Precision rifle, long-range shooting\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":48449684177151,"sku":"PR129265","price":1114.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/qfixbarrel_2b320f6b-6abe-4ff2-ae40-21e814890da6.png?v=1777264472","url":"https:\/\/doublestackstore.com\/products\/prefit-barrel-q-fix-6cr-20","provider":"Double Stack Store","version":"1.0","type":"link"}