{"product_id":"sb556a","title":"Sellier \u0026 Bellot 5.56 NATO 55gr FMJ – 20 Rounds","description":"\u003cp\u003eSellier \u0026amp; Bellot's 5.56 NATO 55-grain FMJ load delivers consistent performance for training, target shooting, and high-volume practice sessions. The full metal jacket projectile features a lead core with a complete copper alloy jacket, providing reliable feeding and minimal barrel fouling. This load meets 5.56 NATO chamber specifications with appropriate pressure levels for modern sporting rifles and military-pattern firearms.\u003c\/p\u003e\u003cp\u003eManufactured with non-corrosive Boxer primers and reloadable brass cases, this ammunition is compatible with both 5.56 NATO and .223 Remington chambers, though 5.56 NATO chambering is recommended for proper pressure handling. Available in economical 20-round boxes and 1,000-round case quantities for shooters who train regularly.\u003c\/p\u003e\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 grains\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBullet Style:\u003c\/strong\u003e Full Metal Jacket (FMJ)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuzzle Velocity:\u003c\/strong\u003e ~3,240 fps (20\" barrel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBox Count:\u003c\/strong\u003e 20 rounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Count:\u003c\/strong\u003e 1,000 rounds (50 boxes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Type:\u003c\/strong\u003e Boxer-primed brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimer:\u003c\/strong\u003e Non-corrosive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Training, target shooting, plinking\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sellier \u0026 Bellot","offers":[{"title":"Box of 20","offer_id":47178803675391,"sku":"754908512690","price":12.46,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/SB556A_1_HR_78277191-5e8e-4dcc-ad04-cf7cb791248d.jpg?v=1756180567","url":"https:\/\/doublestackstore.com\/products\/sb556a","provider":"Double Stack Store","version":"1.0","type":"link"}