{"product_id":"lee-precision-90443-case-length-gauge-300-aac-blackout-w-shell-holder","title":"Lee Precision 90443 Case Length Gauge 300 AAC Blackout w\/ Shell Holder","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLee Precision 90443 Case Length Gauge\u003c\/span\u003e\u003c\/strong\u003e is a precision reloading tool purpose-built for \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e300 AAC Blackout\u003c\/span\u003e\u003c\/strong\u003e brass. Machined from \u003cstrong\u003ehardened steel\u003c\/strong\u003e with a \u003cstrong\u003esilver finish\u003c\/strong\u003e, this gauge trims fired cases to the correct length and squares the case mouth in a single, controlled pass for consistent, accurate case preparation at the reloading bench.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe 90443 sets a maximum trim length of \u003cstrong\u003e1.368 inches\u003c\/strong\u003e, matching the SAAMI specification for \u003cstrong\u003e300 Blackout\u003c\/strong\u003e cases, with a recommended trim-to range of 1.348 to 1.368 inches. Used in conjunction with the Lee \u003cstrong\u003eCutter and Lock Stud\u003c\/strong\u003e or \u003cstrong\u003eZip Trim\u003c\/strong\u003e system, the gauge delivers uniform case preparation across an entire reloading session and helps keep brass within spec for reliable feeding and consistent chamber pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis unit also doubles as a dedicated \u003cstrong\u003eshell holder\u003c\/strong\u003e, combining two bench tools into one compact, cartridge-specific piece of reloading equipment. Whether you are loading for a short-barrel rifle, suppressor host, or pistol-length carbine, the Lee 90443 is an essential bench accessory for any \u003cstrong\u003e300 AAC Blackout\u003c\/strong\u003e reloader looking to streamline case prep.\u003c\/span\u003e\u003c\/p\u003e","brand":"Lee","offers":[{"title":"Default Title","offer_id":55002152665410,"sku":"98038","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_66e59e11-8a71-4468-9816-8f04f7beac0f.png?v=1784522412","url":"https:\/\/centerfiresystems.com\/products\/lee-precision-90443-case-length-gauge-300-aac-blackout-w-shell-holder","provider":"Centerfire Systems","version":"1.0","type":"link"}