{"product_id":"yankee-hill-machine-yhm-2189-hub-direct-thread-mount-578-28-black-oxide","title":"Yankee Hill Machine YHM-2189 HUB Direct Thread Mount .578-28 Black Oxide","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eYankee Hill Machine YHM-2189 HUB Direct Thread Mount\u003c\/span\u003e\u003c\/strong\u003e converts any HUB-compatible suppressor into a direct-thread configuration without tools or permanent modification. Simply unthread the existing HUB mount and thread this adapter into the rear of the suppressor to attach directly to a barrel threaded \u003cstrong\u003e.578-28\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMachined from \u003cstrong\u003e17-4 PH heat-treated stainless steel\u003c\/strong\u003e with a rugged \u003cstrong\u003eblack oxide\u003c\/strong\u003e finish, the YHM-2189-28B is built for hard use. The mount accepts the industry-standard \u003cstrong\u003e1.375\"-24\u003c\/strong\u003e HUB suppressor interface and offers a generous \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.45 caliber\u003c\/span\u003e\u003c\/strong\u003e through-bore, making it compatible with a wide range of pistol and rifle calibers on \u003cstrong\u003e.578-28\u003c\/strong\u003e threaded barrels.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis direct-thread adapter adds only about \u003cstrong\u003e1.7 oz\u003c\/strong\u003e of weight and measures roughly \u003cstrong\u003e.3\" long\u003c\/strong\u003e with a \u003cstrong\u003e1.5625\" outer diameter\u003c\/strong\u003e, keeping your suppressor package compact and well balanced. This is the \u003cstrong\u003e.578-28 thread\u003c\/strong\u003e variant of the YHM-2189, the spec commonly used on \u003cstrong\u003e.45 ACP\u003c\/strong\u003e and other large-bore pistol barrels.\u003c\/span\u003e\u003c\/p\u003e","brand":"Yankee Hill Machine","offers":[{"title":"Default Title","offer_id":55342363115842,"sku":"YHM218928B","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_182f6957-cba4-4930-b1c0-75a29b07dfe6.jpg?v=1785179717","url":"https:\/\/centerfiresystems.com\/products\/yankee-hill-machine-yhm-2189-hub-direct-thread-mount-578-28-black-oxide","provider":"Centerfire Systems","version":"1.0","type":"link"}