{"product_id":"aero-m4e1-assembled-upper-fde","title":"Aero Precision M4E1 Assembled Upper Receiver FDE – AR-15 Platform","description":"\u003cp\u003eThe Aero Precision M4E1 Assembled Upper Receiver in Flat Dark Earth is a complete forged 7075-T6 aluminum upper designed for AR-15 builds in 5.56 NATO\/.223 Remington and other compatible calibers. Features an integrated M4 feed ramp design for reliable feeding and an enhanced upper receiver platform with a squared-off front profile that eliminates the need for a separate upper receiver clamp block during assembly. The forward assist and ejection port cover are pre-installed.\u003c\/p\u003e\u003cp\u003eThis upper receiver arrives fully assembled with a Type III hard coat anodized finish in FDE. The M4E1 design includes a threaded brass deflector and tensioning screw provisions for a tight fit with compatible lowers. Compatible with standard AR-15 bolt carrier groups, charging handles, and barrel assemblies. Minor fitting may be required depending on manufacturer tolerances between upper and lower receivers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform:\u003c\/strong\u003e AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged 7075-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III Hard Coat Anodized FDE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeed Ramps:\u003c\/strong\u003e Integrated M4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Forward Assist, Ejection Port Cover (Pre-Installed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Mil-Spec AR-15 Lower Receivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires Barrel, BCG, Charging Handle (Not Included)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Aero Precision","offers":[{"title":"Default Title","offer_id":47944017674495,"sku":"APAR700202AC","price":174.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2135989.jpg?v=1766612448","url":"https:\/\/doublestackstore.com\/products\/aero-m4e1-assembled-upper-fde","provider":"Double Stack Store","version":"1.0","type":"link"}