{"product_id":"sb300blkb","title":"Sellier \u0026 Bellot 300 Blackout 147gr FMJ Subsonic – 20 Rounds","description":"\u003cp\u003eSellier \u0026amp; Bellot's 300 Blackout subsonic load delivers reliable feeding and function in suppressed or unsuppressed platforms. The 147-grain full metal jacket bullet is optimized for subsonic velocity, minimizing noise signature while maintaining clean cycling in AR-15 pattern rifles and similar platforms chambered in 300 BLK. This European-manufactured ammunition is known for consistent velocities and clean-burning powder, making it a solid choice for range work and suppressor use.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with any firearm chambered in 300 AAC Blackout, this load uses boxer-primed brass cases suitable for reloading. Available in 20-round boxes or 1,000-round cases for shooters who prioritize volume and value. Factory-fresh components ensure reliable ignition and feeding across a wide range of barrel lengths.\u003c\/p\u003e\n\n\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 147 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 ~1,020 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 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 Range\/Training\/Suppressed\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sellier \u0026 Bellot","offers":[{"title":"Box of 20","offer_id":47178801971455,"sku":"8590690341290","price":16.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/SB300BLKB_1_HR_ee20bc93-c321-4b2a-a659-f122ef946123.jpg?v=1756180459","url":"https:\/\/doublestackstore.com\/products\/sb300blkb","provider":"Double Stack Store","version":"1.0","type":"link"}