{"product_id":"peterson-cartridge-300-wsm-brass-rifle-casings-50-box","title":"Peterson Cartridge 300 WSM Brass Rifle Casings - 50\/Box","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003ePeterson Cartridge\u003c\/span\u003e\u003c\/strong\u003e \u003cstrong\u003e300 WSM\u003c\/strong\u003e brass rifle casings are American-made, match-grade empty cases designed for handloaders working with the \u003cstrong\u003e.300 Winchester Short Magnum\u003c\/strong\u003e. Shipped in a 50-count box with 10 boxes per case (50\/10 configuration), these unprimed casings feature a \u003cstrong\u003elarge rifle primer pocket\u003c\/strong\u003e and the tight tolerances Peterson is known for among precision reloaders.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e300 WSM\u003c\/strong\u003e is a high-performance, beltless .30-caliber magnum that delivers magnum-level performance from a short-action rifle. It is a popular choice for hunting elk, moose, and other large game where deep penetration and high retained energy matter. The beltless case design simplifies reloading, and Peterson's precision-drawn brass takes full advantage of that with uniform case dimensions and consistent internal capacity shot after shot.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eEach casing measures \u003cstrong\u003e2.1\" in length\u003c\/strong\u003e and is engineered for repeatable accuracy across multiple firing cycles. Peterson's manufacturing process emphasizes concentricity, weight consistency, and case wall uniformity, helping handloaders produce predictable pressure and consistent velocity whether you are loading for hunting, long-range practice, or competition.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eManufactured in the USA by Peterson Cartridge, these \u003cstrong\u003eunprimed brass cases\u003c\/strong\u003e ship in a 50-round box and are ready for your preferred primer, powder, and bullet combination.\u003c\/span\u003e\u003c\/p\u003e","brand":"Peterson Cartridge","offers":[{"title":"Default Title","offer_id":55074430681410,"sku":"192884","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_c08fb275-7d5a-4994-8433-510669288956.png?v=1784752883","url":"https:\/\/centerfiresystems.com\/products\/peterson-cartridge-300-wsm-brass-rifle-casings-50-box","provider":"Centerfire Systems","version":"1.0","type":"link"}