{"product_id":"fed-4570sub1-4570-300gr-tsp-subsonic-20-10","title":"Federal Subsonic 45-70 Gov 300gr TSP Subsonic - 4570SUB1","description":"\u003ch3\u003eFederal Subsonic 45-70 Government 300gr Trophy Copper Subsonic - Suppressor-Ready Lever-Gun Performance\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eTake your suppressed lever-action to the next level with Federal Subsonic 45-70 Government 300-grain Trophy Copper ammunition.\u003c\/strong\u003e This purpose-engineered subsonic load pairs the hard-hitting 45-70 Gov cartridge with Federal's lead-free Trophy Copper bullet, delivering deep penetration, reliable expansion, and hearing-safe performance without sacrificing terminal authority on big game.\u003c\/p\u003e\u003ch4\u003eKey Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 45-70 Government\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBullet Weight:\u003c\/strong\u003e 300 grain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBullet Type:\u003c\/strong\u003e Trophy Copper Subsonic (TSP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 20 rounds per box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Federal Premium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 4570SUB1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eLead-Free, Subsonic, Unstoppable\u003c\/h4\u003e\u003cp\u003eFederal's Trophy Copper bullet is a monolithic copper design that initiates expansion at a wide range of velocities — making it ideal for subsonic loads where traditional bonded bullets may underperform. The all-copper construction retains virtually 100% of its weight through heavy bone and thick hide, driving a wide, uniform mushroom deep into the vitals for quick, ethical kills.\u003c\/p\u003e\u003cp\u003eRunning subsonic in a 45-70 lever gun means dramatically reduced muzzle blast and recoil, making follow-up shots faster and more comfortable. Whether you're hunting whitetail, black bear, or feral hogs in dense cover with a suppressor-equipped Marlin or Henry, this load delivers the confidence of Federal Premium quality with the added advantage of hearing-safe performance. A serious tool for serious hunters.\u003c\/p\u003e","brand":"Federal","offers":[{"title":"Default Title","offer_id":51202224455716,"sku":"EA-4570SUB1","price":36.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/2286\/1348\/files\/34675c837b2d61017f3cf017d3439ae6.png?v=1785721461","url":"https:\/\/expressammo.com\/products\/fed-4570sub1-4570-300gr-tsp-subsonic-20-10","provider":"Express Ammo","version":"1.0","type":"link"}