{"product_id":"ballistic-bbl-243win-18-hns-blk","title":"Ballistic Advantage .243 Winchester 18\" Barrel – Heavy Profile, Black Nitride Finish","description":"\u003cp\u003eThis Ballistic Advantage 18-inch barrel in .243 Winchester delivers the accuracy and velocity serious precision shooters demand. The heavy profile provides enhanced rigidity for consistent shot placement at extended ranges, while the shorter 18-inch length balances maneuverability with ballistic performance—ideal for varmint hunting, tactical applications, or precision rifle builds where portability matters.\u003c\/p\u003e\u003cp\u003eConstructed from 4150 Chrome Moly Vanadium steel and treated with a black nitride finish (QPQ process), this barrel resists corrosion and throat erosion while reducing friction for easier cleaning. The finish extends barrel life and maintains accuracy over thousands of rounds. Standard profile threading allows compatibility with most AR-10 upper receivers and bolt carrier groups chambered for .243 Win. Verify headspace and compatibility with your specific upper receiver before installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .243 Winchester\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 18 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Heavy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4150 Chrome Moly Vanadium Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Nitride (QPQ)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-10 platform rifles chambered in .243 Win\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ballistic Advantage","offers":[{"title":"Default Title","offer_id":47941307465983,"sku":"BABL243001PQ","price":285.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/4355092.jpg?v=1766569205","url":"https:\/\/doublestackstore.com\/products\/ballistic-bbl-243win-18-hns-blk","provider":"Double Stack Store","version":"1.0","type":"link"}