{"product_id":"ballistic-bbl-6-5-gren-18-spr-rifle","title":"Ballistic Advantage 6.5 Grendel 18\" SPR Rifle Barrel – AR-15 Platform","description":"\u003cp\u003eThis Ballistic Advantage 18-inch SPR profile barrel chambered in 6.5 Grendel provides the extended sight radius and velocity needed to maximize the cartridge's long-range potential. The 6.5 Grendel offers superior ballistic coefficient and retained energy compared to .223\/5.56, making this barrel an excellent choice for precision shooting, hunting medium game at extended distances, or competition use where accuracy and external ballistics matter.\u003c\/p\u003e\u003cp\u003eManufactured from 4150 chrome moly vanadium steel with a durable black nitride finish for corrosion resistance and extended barrel life. The SPR (Special Purpose Rifle) profile balances rigidity for accuracy with a weight that remains practical for field use. Chambered with a match-grade chamber and cut with modern rifling specifications to stabilize heavier 6.5mm projectiles. Barrel extension is M4 feed ramp cut for reliable feeding with AR-15 platform lowers. Mid-length gas system provides smooth cycling with appropriate dwell time for this barrel length.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e SPR Profile Rifle Barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 6.5 Grendel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 18 inches\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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas System:\u003c\/strong\u003e Mid-Length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15 Platform (Type II Bolt Required)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e 6.5 Grendel requires a dedicated bolt (Type II) and magazines. Not compatible with standard 5.56 bolts or magazines.\u003c\/p\u003e","brand":"Ballistic Advantage","offers":[{"title":"Default Title","offer_id":47941835948287,"sku":"BABL65G003P","price":232.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2855736.jpg?v=1766569784","url":"https:\/\/doublestackstore.com\/products\/ballistic-bbl-6-5-gren-18-spr-rifle","provider":"Double Stack Store","version":"1.0","type":"link"}