{"product_id":"aero-m4e1-t-upper-5-56-16-fde","title":"Aero Precision M4E1-T Complete Upper 5.56 NATO 16\" – AR-15 Platform FDE","description":"\u003cp\u003eThe Aero Precision M4E1-T Complete Upper is chambered in 5.56 NATO and features a 16-inch barrel with mid-length gas system. Built on Aero's threaded M4E1 upper receiver, this assembly is compatible with standard AR-15 lower receivers and ships ready to install. The Flat Dark Earth Cerakote finish provides corrosion resistance and a distinctive appearance for builders seeking a non-black option.\u003c\/p\u003e\u003cp\u003eThe upper includes Aero's ATLAS S-ONE M-LOK handguard for a slim profile with full-length accessory mounting. The 16-inch barrel is constructed from 4150 chrome moly vanadium steel with a 1:7 twist rate, suitable for a wide range of bullet weights from 55 to 77 grains. Upper receiver features an integrated trigger guard and tension screw for a tight fit with the lower. Includes mil-spec charging handle and forward assist. No bolt carrier group or muzzle device included—requires separate purchase for a functioning firearm.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO \/ .223 Wylde\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete Upper Receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Standard AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged 7075-T6 aluminum receiver, 4150 CMV barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Flat Dark Earth Cerakote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e M4E1 threaded upper, 16\" barrel, ATLAS S-ONE handguard, charging handle, forward assist\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Attaches to mil-spec AR-15 lower with takedown pins; BCG and muzzle device required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Aero Precision","offers":[{"title":"Default Title","offer_id":47944018034943,"sku":"APAR700315M7","price":662.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2854464.jpg?v=1766612478","url":"https:\/\/doublestackstore.com\/products\/aero-m4e1-t-upper-5-56-16-fde","provider":"Double Stack Store","version":"1.0","type":"link"}