$728.57
Rock River Arms Tactical Carbine, Complete Upper Receiver, 450 Bushmaster, 16 Barrel, Mid-Length Gas System, RRA Operator Muzzle Brake, RRA 13 Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 5 Rounds, 1 Magazine, Includes Bolt Carrier Group and Charging Handle Assembly 450B0592
Only 3 left in stock
Rock 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.
| Weight | 6.4375 lbs |
|---|---|
| Dimensions | 32 × 5.5 × 5.5 in |
| barrel_length | 16 |
| capacity | 5 Rounds |
| caliber | 450 Bushmaster |
| manufacturer | Rock River Arms |
| model | Tactical Carbine |
| product_type | Upper |
| color | Black |
| upc | 842834125548 |
| brand | |
| part_number | 450B0592 |
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