{"product_id":"rcbs-15340-matchmaster-competition-seater-die-300-win-mag","title":"RCBS 15340 MatchMaster Competition Seater Die .300 Win Mag","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eRCBS 15340 MatchMaster Competition Seater Die\u003c\/span\u003e\u003c\/strong\u003e is a purpose-built \u003cstrong\u003ebullet seating die\u003c\/strong\u003e for the \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.300 Winchester Magnum\u003c\/span\u003e\u003c\/strong\u003e, engineered to deliver match-grade seating accuracy in a single-stage reload.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt its core is a \u003cstrong\u003efree-floating, self-centering bullet seating stem\u003c\/strong\u003e that aligns each projectile precisely in the case mouth without deflection, virtually eliminating the smashed fingers and misaligned bullets common with conventional seating dies. A \u003cstrong\u003ebullet seating window with retention system\u003c\/strong\u003e holds the bullet in place during the stroke so neck tension and bullet jump remain consistent round after round.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eSeating depth is set with the \u003cstrong\u003eoversized micrometer adjustment knob\u003c\/strong\u003e, which is large enough to read and turn easily even with gloved hands or under reloading-bench lighting. The die is machined from \u003cstrong\u003esteel\u003c\/strong\u003e with a \u003cstrong\u003eblack\u003c\/strong\u003e finish and uses the standard \u003cstrong\u003e7\/8\"-14\u003c\/strong\u003e thread pattern, so it threads directly into any RCBS press or any standard single-stage reloading press accepting that thread.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis is a \u003cstrong\u003eseater die only\u003c\/strong\u003e and is designed for the precision rifle shooter who already has a dedicated sizing solution and wants the finest possible seating die for \u003cstrong\u003e.300 Win Mag\u003c\/strong\u003e competition and hunting loads. Made in the \u003cstrong\u003eUSA\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"RCBS","offers":[{"title":"Default Title","offer_id":55084754305346,"sku":"200154","price":134.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_6eef3fe8-0e3f-4df9-a59d-451d3885d54c.png?v=1784769612","url":"https:\/\/centerfiresystems.com\/products\/rcbs-15340-matchmaster-competition-seater-die-300-win-mag","provider":"Centerfire Systems","version":"1.0","type":"link"}