{"product_id":"bad-16-uppr-wrkhorse-556-ambi-blk","title":"Battle Arms Development Workhorse 5.56 NATO Upper Receiver – 16\" Ambidextrous, AR-15 Platform","description":"\u003cp\u003eThe Battle Arms Development Workhorse upper receiver assembly delivers a complete 5.56 NATO solution for standard AR-15 lowers. This 16-inch configuration includes an ambidextrous charging handle for left- and right-handed shooters, making it practical for training environments or mixed-hand preference households.\u003c\/p\u003e\u003cp\u003eMachined from 7075-T6 aluminum with a black anodized finish, this upper comes as a ready-to-install assembly. The 16-inch barrel meets federal length requirements without NFA restrictions. Installation requires standard AR-15 armorer's tools and follows mil-spec takedown pin spacing. Verify headspace and function before live fire.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\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 AR-15 \/ Mil-Spec\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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Ambidextrous Charging Handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires Headspace Check, Standard Armorer's Tools\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Battle Arms Development","offers":[{"title":"Default Title","offer_id":47937309999359,"sku":"BAD-WH-UR16B-Y-15","price":724.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2940511.jpg?v=1766485395","url":"https:\/\/doublestackstore.com\/products\/bad-16-uppr-wrkhorse-556-ambi-blk","provider":"Double Stack Store","version":"1.0","type":"link"}