{"product_id":"bad-16-uppr-auth-elite-556ambi-c-blk","title":"Battle Arms Development AUTHORITY Elite 16\" Upper Receiver Assembly 5.56 NATO – Mil-Spec AR-15","description":"\u003cp\u003eThe Battle Arms Development AUTHORITY Elite 16\" upper receiver assembly is a complete 5.56 NATO configuration designed for mil-spec AR-15 lower receivers. This carbine-length system features ambidextrous controls and a mid-length gas system for reliable cycling with reduced recoil impulse. The 16\" barrel provides effective ballistics while maintaining maneuverability for home defense, duty, or recreational shooting applications.\u003c\/p\u003e\u003cp\u003eMachined from 7075-T6 aluminum with a black hardcoat anodized finish, this upper includes a fully assembled bolt carrier group, charging handle with ambidextrous operation, and a 15\" free-float handguard with M-LOK attachment points. The upper receiver is pre-assembled and headspaced at the factory—installation requires only attaching to a compatible mil-spec lower receiver using standard takedown pins. No gunsmithing required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO \/ .223 Remington\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper receiver assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec 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 7075-T6 aluminum upper receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black hardcoat anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Bolt carrier group, ambidextrous charging handle, 15\" M-LOK handguard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in to mil-spec AR-15 lower, no gunsmithing required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Battle Arms Development","offers":[{"title":"Default Title","offer_id":47937298989311,"sku":"BAD-AUTH-UR16B-Y-15C","price":865.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2945803.jpg?v=1766484044","url":"https:\/\/doublestackstore.com\/products\/bad-16-uppr-auth-elite-556ambi-c-blk","provider":"Double Stack Store","version":"1.0","type":"link"}