{"product_id":"sb300blksuba","title":"Sellier \u0026 Bellot 300 Blackout 200gr FMJ Subsonic – 20 Rounds","description":"\u003cp\u003eSellier \u0026amp; Bellot's 300 Blackout subsonic load delivers reliable cycling in suppressed and unsuppressed rifles with a 200-grain full metal jacket bullet optimized for quiet operation. Engineered to remain below the sound barrier, this load minimizes sonic crack while maintaining effective terminal performance at close to medium ranges — ideal for suppressed carbines, training, and hog hunting where reduced noise signature matters.\u003c\/p\u003e\u003cp\u003eLoaded with reloadable brass cases and non-corrosive Boxer primers, this ammunition functions reliably in AR-15 platforms chambered in 300 Blackout with pistol-length to carbine-length gas systems. Available in 20-round boxes or 1,000-round cases for range work and extended shooting sessions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 300 AAC Blackout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBullet Weight:\u003c\/strong\u003e 200 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 ~1,060 fps (subsonic)\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 Reloadable brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimer:\u003c\/strong\u003e Non-corrosive Boxer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Suppressed shooting, training, subsonic applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sellier \u0026 Bellot","offers":[{"title":"Box of 20","offer_id":47178802004223,"sku":"754908512461","price":17.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/SB300BLKSUBA_1_HR_4aad52f2-c08d-444d-a9c7-282d4b0315e3.jpg?v=1756180462","url":"https:\/\/doublestackstore.com\/products\/sb300blksuba","provider":"Double Stack Store","version":"1.0","type":"link"}