{"product_id":"radical-uppr-762x39-16-1-10-mlok-bl","title":"Radical Firearms 7.62x39mm Complete Upper – 16\" 1:10 M-LOK AR-15 Platform","description":"\u003cp\u003eThe Radical Firearms 7.62x39mm upper receiver assembly converts standard AR-15 lower receivers to run the affordable and widely available 7.62x39mm cartridge. This 16-inch configuration features a 1:10 twist rate optimized for standard 123-grain projectiles and includes an M-LOK compatible handguard for accessory mounting flexibility.\u003c\/p\u003e\u003cp\u003eConstructed with a forged upper receiver and a 15-inch free-float M-LOK rail, this upper includes a complete bolt carrier group and charging handle for immediate installation. The mid-length gas system and carbine-length buffer system work with standard AR-15 carbine buffers. Note: 7.62x39mm AR conversions require compatible magazines designed for this cartridge and may require minor adjustments for reliable feeding depending on your lower receiver and magazine combination.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 7.62x39mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Standard AR-15 pattern\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 1:10\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 Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandguard:\u003c\/strong\u003e 15-inch M-LOK free-float rail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e BCG and charging handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in to AR-15 lower; requires 7.62x39mm-specific magazines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Radical Firearms","offers":[{"title":"Default Title","offer_id":47939034579199,"sku":"RAFRF00397","price":336.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2872274.jpg?v=1766538614","url":"https:\/\/doublestackstore.com\/products\/radical-uppr-762x39-16-1-10-mlok-bl","provider":"Double Stack Store","version":"1.0","type":"link"}