{"product_id":"yankee-hill-machine-yhm-111-556-ar-15-dust-cover-assembly-5-56-nato-caliber-marked","title":"Yankee Hill Machine YHM-111-556 AR-15 Dust Cover Assembly 5.56 NATO Caliber Marked","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eYankee Hill Machine YHM-111-556\u003c\/span\u003e\u003c\/strong\u003e is a caliber-marked \u003cstrong\u003edust cover assembly\u003c\/strong\u003e for the \u003cstrong\u003eAR-15\u003c\/strong\u003e platform, factory-stamped \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e\"5.56 NATO\"\u003c\/span\u003e\u003c\/strong\u003e to give a 5.56-chambered upper a clean, factory-correct look at the ejection port. It installs in place of a standard dust cover and is compatible with any standard-pattern AR-15 upper receiver, making it a quick, drop-in upgrade for builders who want caliber markings to match the chambering of their rifle.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe cover itself is machined from \u003cstrong\u003ealuminum\u003c\/strong\u003e and finished in a \u003cstrong\u003eMil-Spec hard anodized matte black\u003c\/strong\u003e for corrosion resistance and long service life under hard use. Each assembly ships complete with the \u003cstrong\u003edust cover, rod, retaining clip, and spring\u003c\/strong\u003e - everything required to swap it into an existing upper right out of the package. Proudly \u003cstrong\u003eMade in the USA\u003c\/strong\u003e by \u003cstrong\u003eYankee Hill Machine\u003c\/strong\u003e, the YHM-111-556 is a simple, cost-effective way to keep an AR-15's ejection port marked to match its caliber.\u003c\/span\u003e\u003c\/p\u003e","brand":"Yankee Hill Machine","offers":[{"title":"Default Title","offer_id":55342277198146,"sku":"YHM111556","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_488c6c04-4eb1-4169-ac55-e6cf19f1a5df.jpg?v=1785179621","url":"https:\/\/centerfiresystems.com\/products\/yankee-hill-machine-yhm-111-556-ar-15-dust-cover-assembly-5-56-nato-caliber-marked","provider":"Centerfire Systems","version":"1.0","type":"link"}