{"product_id":"ballistic-bbl-6mm-arc-18-spr","title":"Ballistic Advantage 6mm ARC Barrel 18\" SPR Profile – AR-15 Platform","description":"\u003cp\u003eThis 18-inch SPR-profile barrel from Ballistic Advantage is chambered in 6mm ARC, a cartridge designed for long-range accuracy and efficiency in the AR-15 platform. The 6mm ARC delivers flatter trajectories and superior ballistic performance compared to traditional .223\/5.56 loads, making this barrel an excellent choice for precision shooting, hunting medium game, or extended-range target work. The SPR (Special Purpose Rifle) profile balances weight and rigidity for improved accuracy without excessive bulk.\u003c\/p\u003e\u003cp\u003eManufactured from 4150 Chrome Moly Vanadium steel with a QPQ Nitride finish, this barrel offers excellent corrosion resistance and barrel life. It features a mid-length gas system for reliable cycling with 6mm ARC loads and comes with a 5\/8x24 threaded muzzle for compatibility with most muzzle devices and suppressors. Compatible with standard AR-15 upper receivers and bolt carrier groups designed for 6mm ARC (requires 6.5 Grendel\/6mm ARC-specific bolt).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e AR-15 Barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 6mm ARC\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 SPR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4150 Chrome Moly Vanadium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e QPQ Nitride\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas System:\u003c\/strong\u003e Mid-Length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuzzle Thread:\u003c\/strong\u003e 5\/8x24\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15 Platform (requires 6mm ARC bolt)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ballistic Advantage","offers":[{"title":"Default Title","offer_id":47941943394559,"sku":"BABL6MM002P","price":251.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2855748.jpg?v=1766569888","url":"https:\/\/doublestackstore.com\/products\/ballistic-bbl-6mm-arc-18-spr","provider":"Double Stack Store","version":"1.0","type":"link"}