{"product_id":"yankee-hill-machine-yhm-111-9-dust-cover-assembly-ar-15-caliber-marked-9mm","title":"Yankee Hill Machine YHM-111-9 Dust Cover Assembly AR-15 Caliber Marked 9mm","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eYankee Hill Machine YHM-111-9\u003c\/span\u003e\u003c\/strong\u003e is a caliber-marked \u003cstrong\u003edust cover assembly\u003c\/strong\u003e designed to fit standard \u003cstrong\u003eAR-15\u003c\/strong\u003e upper receivers chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e9mm Luger\u003c\/span\u003e\u003c\/strong\u003e. Stamping the dust cover with the chambered caliber is a simple but useful touch for 9mm AR builds - it lets the shooter and anyone handling the rifle know at a glance what the upper is set up for.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eYHM machines the dust cover from lightweight, durable \u003cstrong\u003ealuminum\u003c\/strong\u003e and finishes it in a \u003cstrong\u003eMil-Spec hard anodized\u003c\/strong\u003e \u003cstrong\u003eblack\u003c\/strong\u003e for corrosion resistance and long service life under hard use. The assembly ships complete and ready to install with the dust cover itself, the hinge \u003cstrong\u003erod\u003c\/strong\u003e, \u003cstrong\u003eretaining clip\u003c\/strong\u003e, and the torsion \u003cstrong\u003espring\u003c\/strong\u003e, so you do not need to source separate hardware to swap covers or build out a new 9mm AR upper.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe YHM-111-9 drops into standard AR-15 upper receiver cuts in just a few minutes with no permanent modification required, making it a straightforward, high-quality replacement or upgrade part \u003cstrong\u003eMade in USA\u003c\/strong\u003e by \u003cstrong\u003eYankee Hill Machine\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Yankee Hill Machine","offers":[{"title":"Default Title","offer_id":55344193405250,"sku":"YHM1119","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_8a6baee6-c8e7-4f83-9999-b35cefafed21.jpg?v=1785182917","url":"https:\/\/centerfiresystems.com\/products\/yankee-hill-machine-yhm-111-9-dust-cover-assembly-ar-15-caliber-marked-9mm","provider":"Centerfire Systems","version":"1.0","type":"link"}