{"product_id":"rock-river-arms-rra-cmplt-mid-a4-upr-450bm-16-5rd-rra450b0592","title":"Rock River Arms RRA CMPLT MID A4 UPR 450BM 16\" 5RD","description":"\u003cp\u003eRock River Arms A4 mid-length upper comes chambered in .450 Bushmaster with a 16\" chrome moly 1\/24 twist barrel. Additionally this upper includes a RRA 13\" M-Lok compatible lightweight free float rail and a RRA Operator Brake (5\/8-32 thread). This is a complete upper with bolt carrier group, charging handle assembly and a 5 round magazine.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\n\u003cul\u003e\n    \u003cli\u003e.450 Bushmaster\u003c\/li\u003e\n    \u003cli\u003e16 Inch Chrome Moly, 1:24 Twist\u003c\/li\u003e\n    \u003cli\u003eRRA Operator Brake, 5\/8-32 Thread\u003c\/li\u003e\n    \u003cli\u003eLow Profile Gas Block, Mid-Length Gas System\u003c\/li\u003e\n    \u003cli\u003eRRA 13 Inch Extended Lightweight Free Float Rail\u003c\/li\u003e\n    \u003cli\u003eBolt Carrier Group, Charging Handle Assembly\u003c\/li\u003e\n    \u003cli\u003e(1) Magazine, (5) Rounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Rock River Arms\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e ROCK\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 842834125548\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e RRA450B0592\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nInventory is synchronized directly with our distributor to help ensure current availability.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThank you for shopping with\n\u003cstrong\u003eTactical Storage Pro\u003c\/strong\u003e.\n\u003c\/p\u003e","brand":"Rock River Arms","offers":[{"title":"Default Title","offer_id":47548073574571,"sku":"RRA450B0592","price":789.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/6373\/9819\/files\/RRA450B0592_1.jpg?v=1785718351","url":"https:\/\/tacticalstoragepro.com\/products\/rock-river-arms-rra-cmplt-mid-a4-upr-450bm-16-5rd-rra450b0592","provider":"Tactical Storage Pro","version":"1.0","type":"link"}