{"product_id":"hsm-ammo-300-weatherby-magnum-165gr-sierra-gameking-sbt-20-rd-box-or-case","title":"HSM Ammo 300 Weatherby Magnum 165gr Sierra GameKing SBT 20 Rd - Box or Case","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eHSM 300 Weatherby Magnum 165gr Sierra GameKing\u003c\/span\u003e\u003c\/strong\u003e is a premium \u003cstrong\u003erifle hunting load\u003c\/strong\u003e built around the legendary \u003cstrong\u003e.300 Weatherby Magnum\u003c\/strong\u003e cartridge. Developed by Roy Weatherby in 1944, the 300 Weatherby Magnum remains one of the most respected \u003cstrong\u003ebig-game\u003c\/strong\u003e cartridges ever produced, and this HSM offering delivers that flat-shooting performance in a reloadable, brass-cased package tailored for serious hunters.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt the heart of this load is a \u003cstrong\u003e165gr Sierra GameKing SBT (Spitzer Boat-Tail) Jacketed Soft Point\u003c\/strong\u003e bullet, designed for \u003cstrong\u003econtrolled expansion and deep penetration\u003c\/strong\u003e on medium to large game. With a muzzle velocity of \u003cstrong\u003e3,275 fps\u003c\/strong\u003e and muzzle energy of \u003cstrong\u003e3,931 ft lbs\u003c\/strong\u003e, this round offers flat trajectory, hard-hitting energy on impact, and the accuracy Sierra GameKing projectiles are known for. The soft-point design drives reliable expansion across a wide range of hunting distances, while the boat-tail configuration delivers improved ballistic efficiency and resistance to wind drift.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eHSM loads these GameKing rounds in \u003cstrong\u003ereloadable brass cases\u003c\/strong\u003e, making them an excellent choice for handloaders who want to save their brass after firing. Each box contains \u003cstrong\u003e20 rounds\u003c\/strong\u003e, and a full case holds \u003cstrong\u003e20 boxes (400 rounds total)\u003c\/strong\u003e, giving hunters and high-volume shooters plenty of ammunition for extended trips or practice at the range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eManufactured in the \u003cstrong\u003eUSA\u003c\/strong\u003e by HSM Ammunition, this 300 Weatherby Magnum load is engineered to perform in the demanding conditions of real-world hunting. Whether you are pursuing elk, mule deer, black bear, or other big-game species, the combination of Weatherby's flat-shooting velocity and Sierra's proven GameKing bullet makes this an excellent choice for the field.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eYour purchase options:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\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 - 400 Rounds (20 Boxes)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HSM Ammo","offers":[{"title":"Box - 20 Rounds","offer_id":55311261991234,"sku":"A300WBY17NBOX","price":70.99,"currency_code":"USD","in_stock":true},{"title":"Case - 400 Rounds (20 Boxes)","offer_id":55311262024002,"sku":"A300WBY17NCASE","price":1381.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/A300WBY17N_1.jpg?v=1785131985","url":"https:\/\/centerfiresystems.com\/products\/hsm-ammo-300-weatherby-magnum-165gr-sierra-gameking-sbt-20-rd-box-or-case","provider":"Centerfire Systems","version":"1.0","type":"link"}