Description
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.
Features :
- .450 Bushmaster
- 16 Inch Chrome Moly, 1:24 Twist
- RRA Operator Brake, 5/8-32 Thread
- Low Profile Gas Block, Mid-Length Gas System
- RRA 13 Inch Extended Lightweight Free Float Rail
- Bolt Carrier Group, Charging Handle Assembly
- (1) Magazine, (5) Rounds
Details
| Caliber: | 450 Bushmaster |
| Subcategory: | Complete Upper Receivers |
| Type: | Upper |
| Capacity: | 5 Rounds |
| Model: | Tactical Carbine |
| Barrel Length: | 16″ |
| Manufacturer Part #: | 450B0592 |
| Fit: | AR-15 |
| Color: | Black |
| Accessories: | 1 Magazine |
| Finish: | Anodized |
| Restricted State1: | CT |
| Department Name: | Upper Receivers & Conversion Kits |
| DropShip Block: | N |
| LeResale Only: | N |
| UoM: | EA |
| Items Per Case: | 0 |
| Items Per Unit: | 0 |
| New Item: | N |
| Talo Exclusive: | N |
| NFA: | N |
| Ground Only: | N |
| Case Width: | 0.00 |
| Case Length: | 0.00 |
| Case Weight: | 0.00 |
| Hazard Warning: | WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. |
| Case Height: | 0.00 |
| Dropshippable: | N |
| Coming Soon: | N |
| Allocated: | N |
| Closeout: | N |
| Exlusive: | N |






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