{"product_id":"frontier-fr604-5-56-nato-55-fmj-250-2","title":"Frontier Cartridge 5.56 NATO 55gr FMJ - FR604","description":"\u003ch3\u003eFrontier Cartridge FR604 5.56 NATO 55gr FMJ Ammunition\u003c\/h3\u003e\n\u003cp\u003eStock up and stay ready. Frontier Cartridge FR604 delivers Hornady-engineered reliability in a high-count 5.56 NATO load built for shooters who train hard and train often. This 55-grain full metal jacket load feeds flawlessly in AR-15 and M16-pattern rifles, offering the consistency and quality you expect from Hornady at a volume price that makes sense for serious range sessions.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e55gr Full Metal Jacket:\u003c\/strong\u003e Classic weight for reliable feeding and consistent downrange performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHornady-Engineered Components:\u003c\/strong\u003e Military-grade bullets and primers for shot-to-shot consistency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5.56 NATO:\u003c\/strong\u003e Compatible with all 5.56 NATO and .223 Remington chambered rifles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrass Cartridge Cases:\u003c\/strong\u003e High-quality reloadable brass construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Corrosive Primers:\u003c\/strong\u003e Consistent ignition in all conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePerformance Benefits:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReliable cycling in AR-15, M16, and other 5.56 NATO platforms\u003c\/li\u003e\n\u003cli\u003eConsistent velocity and accuracy shot after shot\u003c\/li\u003e\n\u003cli\u003eReloadable brass cases add long-term value for handloaders\u003c\/li\u003e\n\u003cli\u003eHornady quality control ensures lot-to-lot consistency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrontier Cartridge Heritage:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBacked by Hornady's legendary engineering and quality control\u003c\/li\u003e\n\u003cli\u003eMilitary-grade components manufactured to exacting tolerances\u003c\/li\u003e\n\u003cli\u003eTrusted by competitive shooters and trainers nationwide\u003c\/li\u003e\n\u003cli\u003eDesigned for shooters who demand reliability at volume\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eApplications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-volume target shooting and range training\u003c\/li\u003e\n\u003cli\u003eCompetitive shooting and matches\u003c\/li\u003e\n\u003cli\u003eAR-15 and M16 platform optimization\u003c\/li\u003e\n\u003cli\u003eTactical and field use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBullet Weight:\u003c\/strong\u003e 55 grain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBullet Type:\u003c\/strong\u003e Full Metal Jacket (FMJ)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 250 rounds per box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Type:\u003c\/strong\u003e Reloadable brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e FR604\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e 5.56 NATO and .223 Remington chambered rifles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eFrontier Cartridge FR604 — Hornady quality by the case, built for the AR shooter who never stops training.\u003c\/em\u003e\u003c\/p\u003e","brand":"Frontier Cartridge","offers":[{"title":"Default Title","offer_id":51110661947428,"sku":"EA-FR604","price":141.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/2286\/1348\/files\/315017796.png?v=1784558831","url":"https:\/\/expressammo.com\/products\/frontier-fr604-5-56-nato-55-fmj-250-2","provider":"Express Ammo","version":"1.0","type":"link"}