{"product_id":"solgw-mil-spec-port-door-cover-kit","title":"SOLGW MIL-SPEC Port Door Cover Kit – AR-15\/M16\/M4","description":"\u003cp\u003eThe Sons of Liberty Gun Works MIL-SPEC Port Door Cover Kit is a direct replacement ejection port cover assembly for AR-15, M16, and M4 pattern rifles. This kit addresses worn, broken, or missing port door covers that can allow debris and moisture into the upper receiver. Installing a functional port door maintains the rifle's dust and moisture resistance, particularly important for rifles used in field conditions or extended outdoor storage.\u003c\/p\u003e\u003cp\u003eManufactured to military specifications, this kit includes the port door cover, C-clip, spring rod, and spring pin required for a complete installation. The cover is constructed from mil-spec steel with a black oxide finish. Installation is straightforward for users with basic armorer skills and requires no gunsmithing—only a punch and hammer are needed to drive the spring pin. The kit fits all mil-spec AR-15 upper receivers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Ejection Port Door Cover Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15, M16, M4 (mil-spec upper receivers)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Mil-spec steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in (basic tools required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Port door cover, C-clip, spring rod, spring pin\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sons of Liberty Gun Works","offers":[{"title":"Default Title","offer_id":48405702738175,"sku":"SOLGWPORTDOORCOVERKIT","price":16.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/5811874.jpg?v=1776440970","url":"https:\/\/doublestackstore.com\/products\/solgw-mil-spec-port-door-cover-kit","provider":"Double Stack Store","version":"1.0","type":"link"}