{"product_id":"strike-industries-billet-ultimate-dust-cover-ar-15-m4-m16-223-5-56-black","title":"Strike Industries Billet Ultimate Dust Cover AR-15\/M4\/M16 .223\/5.56 Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eStrike Industries Billet Ultimate Dust Cover\u003c\/span\u003e\u003c\/strong\u003e is a heavy-duty replacement ejection-port cover machined from \u003cstrong\u003esolid billet aluminum\u003c\/strong\u003e for the \u003cstrong\u003eAR-15\u003c\/strong\u003e family of rifles chambered in \u003cstrong\u003e.223 Remington \/ 5.56 NATO\u003c\/strong\u003e. Designed as a tougher, longer-lasting alternative to the standard stamped-steel dust cover, it carries a \u003cstrong\u003eblack anodized\u003c\/strong\u003e finish that resists corrosion, rust, and fading under hard use.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eA built-in \u003cstrong\u003equick-detach mechanism\u003c\/strong\u003e lets the cover snap on or off the upper receiver in under ten seconds with no tools required, making field service and detail stripping fast and easy. Inside the channel, a \u003cstrong\u003eTrue Seal internal lip\u003c\/strong\u003e works with a \u003cstrong\u003edouble seal\u003c\/strong\u003e to keep carbon, brass shavings, rain, and other debris out of the action - especially valuable on suppressed rifles and rifles that see adverse conditions. An \u003cstrong\u003eadjustable detent set screw\u003c\/strong\u003e lets the user dial in the right spring tension for a rattle-free fit on a given upper.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe dust cover is engineered for \u003cstrong\u003eAR-15 Mil-Spec upper receivers\u003c\/strong\u003e and is also compatible with most \u003cstrong\u003ebillet AR-15 upper receivers\u003c\/strong\u003e, including the \u003cstrong\u003eAero Precision M4E1\u003c\/strong\u003e. The .223\/5.56-specific ejection-port geometry drops in as a direct replacement on any standard-pattern \u003cstrong\u003eAR-15, M4, or M16\u003c\/strong\u003e upper, making it a clean upgrade or a solid spare for the workbench.\u003c\/span\u003e\u003c\/p\u003e","brand":"Strike Industries","offers":[{"title":"Default Title","offer_id":54996455260482,"sku":"113810","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_aa82727f-c2bf-4d28-b043-60abec29b0b3.png?v=1784319452","url":"https:\/\/centerfiresystems.com\/products\/strike-industries-billet-ultimate-dust-cover-ar-15-m4-m16-223-5-56-black","provider":"Centerfire Systems","version":"1.0","type":"link"}