{"product_id":"radical-uppr-300blk-16-1-8-mlok-blk","title":"Radical Firearms 300 BLK Upper Receiver 16\" 1:8 Twist M-LOK – AR-15 Platform","description":"\u003cp\u003eThis Radical Firearms complete upper receiver assembly is chambered in 300 AAC Blackout with a 16-inch barrel and 1:8 twist rate, designed to stabilize both subsonic and supersonic loads. It mounts directly to any mil-spec AR-15 lower receiver, providing a versatile platform for hunting, home defense, or suppressed shooting applications.\u003c\/p\u003e\u003cp\u003eThe upper features a lightweight M-LOK handguard for accessory mounting, a black finish for corrosion resistance, and comes fully assembled with bolt carrier group and charging handle included. No gunsmithing required—simply attach to your AR-15 lower and perform a function check before use.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 300 AAC Blackout\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\u003eTwist Rate:\u003c\/strong\u003e 1:8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandguard:\u003c\/strong\u003e M-LOK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Bolt Carrier Group, Charging Handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in compatibility with mil-spec AR-15 lower receivers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Radical Firearms","offers":[{"title":"Default Title","offer_id":47939023765759,"sku":"RAFRF00375","price":332.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2872268.jpg?v=1766538571","url":"https:\/\/doublestackstore.com\/products\/radical-uppr-300blk-16-1-8-mlok-blk","provider":"Double Stack Store","version":"1.0","type":"link"}