{"product_id":"bad-workhorse-556-uppr-16-blk-n-bcg","title":"Battle Arms Development WORKHORSE 5.56 NATO Upper Receiver Assembly 16\" Black – No BCG\/Charging Handle","description":"\u003cp\u003eThe Battle Arms Development WORKHORSE 5.56 NATO upper receiver assembly delivers a no-frills, combat-ready configuration for AR-15 pattern lowers. Built around a 16-inch barrel chambered in 5.56 NATO, this complete upper requires only the addition of a bolt carrier group and charging handle to function. The mil-spec profile and carbine-length gas system provide reliable cycling with standard ammunition.\u003c\/p\u003e\u003cp\u003eThis upper features a forged aluminum receiver with Type III hard anodized black finish for corrosion resistance. The free-float handguard allows mounting of accessories via M-LOK slots while maintaining zero shift under use. Ships as a complete assembly with barrel, gas system, muzzle device, and handguard installed. Installation requires standard AR-15 tools and basic armorer knowledge—upper attaches to any mil-spec AR-15 lower receiver via takedown pins.\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 Assembly (No BCG\/Charging Handle)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15 pattern receivers\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 aluminum receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III hard anodized black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver, barrel, gas system, muzzle device, handguard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires BCG and charging handle (sold separately); attaches via standard takedown pins\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Battle Arms Development","offers":[{"title":"Default Title","offer_id":47937309737215,"sku":"BAD-WH-UR-16-556","price":524.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2855905.jpg?v=1766485270","url":"https:\/\/doublestackstore.com\/products\/bad-workhorse-556-uppr-16-blk-n-bcg","provider":"Double Stack Store","version":"1.0","type":"link"}