{"product_id":"lyman-300-aac-blackout-case-length-headspace-gauge","title":"Lyman 300 AAC Blackout Case Length Headspace Gauge","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLyman 300 AAC Blackout Case Length\/Headspace Gauge\u003c\/span\u003e\u003c\/strong\u003e is a precision reloading tool purpose-built to verify the critical case length and headspace dimensions of \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e300 AAC Blackout\u003c\/span\u003e\u003c\/strong\u003e brass. Machined from \u003cstrong\u003esteel\u003c\/strong\u003e to exacting SAAMI specifications, this one-piece, non-adjustable cylinder-type gauge provides a reliable go\/no-go check, allowing the handloader to confirm that cases are within safe and consistent dimensional limits before reloading.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eProper case length and headspace measurement is essential for safe, accurate reloading. Out-of-spec brass can lead to feeding issues, inconsistent ignition, and pressure variations. The Lyman gauge makes it fast and easy to inspect trimmed cases for uniform length and correct case head positioning relative to the chamber, catching problems before they ever reach the press.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned specifically for the \u003cstrong\u003e300 AAC Blackout\u003c\/strong\u003e cartridge, this gauge is a must-have for any reloading bench working with this versatile caliber. Its compact, rugged \u003cstrong\u003esteel\u003c\/strong\u003e construction stands up to regular bench use and stores easily in a reloading toolbox, ready to deploy whenever cases need to be checked.\u003c\/span\u003e\u003c\/p\u003e","brand":"Lyman","offers":[{"title":"Default Title","offer_id":55309942620482,"sku":"7832338","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_d9055978-d82d-472c-98e5-76078f1a9ee9.jpg?v=1785129863","url":"https:\/\/centerfiresystems.com\/products\/lyman-300-aac-blackout-case-length-headspace-gauge","provider":"Centerfire Systems","version":"1.0","type":"link"}