{"product_id":"hornady-superformance-257-roberts-p-117-gr-sst-20-rd-box-box-or-case","title":"Hornady Superformance 257 Roberts +P 117 gr SST 20-Rd\/Box - Box or Case","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eHornady Superformance\u003c\/span\u003e\u003c\/strong\u003e rifle ammunition in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e257 Roberts +P\u003c\/span\u003e\u003c\/strong\u003e delivers flat trajectories and hard-hitting terminal performance with the proven \u003cstrong\u003eSuper Shock Tip (SST)\u003c\/strong\u003e bullet. Loaded with a \u003cstrong\u003e117 gr\u003c\/strong\u003e polymer-tipped SST projectile, this hunting round pushes a muzzle velocity of \u003cstrong\u003e2945 fps\u003c\/strong\u003e and produces \u003cstrong\u003e2253 ft lbs\u003c\/strong\u003e of muzzle energy, outpacing conventional 257 Roberts +P loads by 100 to 200 fps without adding felt recoil or muzzle rise.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe SST bullet pairs a streamlined polymer tip for reduced drag and rapid, controlled expansion with a cannelured lead core and tapered jacket for retained weight and deep penetration on medium game. \u003cstrong\u003eSuperformance\u003c\/strong\u003e technology uses carefully selected propellants to deliver higher velocities across a wide range of platforms, making this load effective in everything from classic bolt-action rifles to modern sporters.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eLoaded in the USA with \u003cstrong\u003ebrass\u003c\/strong\u003e casings, this 257 Roberts +P ammunition is built for hunting applications, where the combination of speed, accuracy, and consistent expansion matters most. Each box contains \u003cstrong\u003e20 rounds\u003c\/strong\u003e, and a full case holds \u003cstrong\u003e10 boxes (200 rounds)\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eYour purchase options:\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eBox - 20 Rounds\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eCase - 200 Rounds (10 Boxes)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hornady","offers":[{"title":"Box - 20 Rounds","offer_id":54992989847874,"sku":"61046BOX","price":43.99,"currency_code":"USD","in_stock":true},{"title":"Case - 200 Rounds (10 Boxes)","offer_id":54992989880642,"sku":"61046CASE","price":419.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/61046.png?v=1784254043","url":"https:\/\/centerfiresystems.com\/products\/hornady-superformance-257-roberts-p-117-gr-sst-20-rd-box-box-or-case","provider":"Centerfire Systems","version":"1.0","type":"link"}