{"product_id":"rosco-manufacturing-purebred-ar-15-223-wylde-16-spr-stainless-steel-barrel-nickel-boron","title":"Rosco Manufacturing Purebred AR-15 223 Wylde 16\" SPR Stainless Steel Barrel - Nickel Boron","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eRosco Manufacturing Purebred\u003c\/span\u003e\u003c\/strong\u003e is a precision-machined \u003cstrong\u003e16\"\u003c\/strong\u003e replacement barrel designed for AR-15 platforms and chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.223 Wylde\u003c\/span\u003e\u003c\/strong\u003e, a hybrid chamber that allows safe, reliable cycling of both \u003cstrong\u003e.223 Remington\u003c\/strong\u003e and \u003cstrong\u003e5.56 NATO\u003c\/strong\u003e ammunition. Part of Rosco's \u003cstrong\u003ePurebred\u003c\/strong\u003e line, every barrel is machined from scratch in the company's \u003cstrong\u003eRhode Island\u003c\/strong\u003e facility starting from a blank of \u003cstrong\u003e416R stainless steel\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003eSPR (Special Purpose Rifle)\u003c\/strong\u003e contour is well suited for cold-bore shots on target and was built to enhance the performance of Rosco's original SPR profile, making this barrel a strong foundation for precision carbine builds. A \u003cstrong\u003e1:8\"\u003c\/strong\u003e twist rate stabilizes a wide range of bullet weights, from lighter varmint projectiles through heavier match-grade loads, giving the shooter flexibility across both .223 Rem and 5.56 NATO ammo selections.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eFinished in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eNickel Boron\u003c\/span\u003e\u003c\/strong\u003e, the bore and exterior surface are treated for enhanced wear resistance, reduced friction, and easier cleaning compared to a bare stainless finish. This barrel is intended to be installed on a standard AR-15 upper receiver.\u003c\/span\u003e\u003c\/p\u003e","brand":"Rosco Manufacturing","offers":[{"title":"Default Title","offer_id":55048700657986,"sku":"179491","price":181.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_90fd8bcd-15a8-4f9b-b7aa-b545e7430c46.png?v=1784702462","url":"https:\/\/centerfiresystems.com\/products\/rosco-manufacturing-purebred-ar-15-223-wylde-16-spr-stainless-steel-barrel-nickel-boron","provider":"Centerfire Systems","version":"1.0","type":"link"}