RRA CMPLT MID A4 UPR 450BM 16" 5RD
Visit RSR GroupDescription
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.
- .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
Product Information
| Manufacturer | Rock River Arms |
| Accessories | 1 Mag |
| Barrel Length | 16" |
| Caliber | 450 Bushmaster |
| Capacity | 5 Rounds |
| Color | Black |
| Finish | Anodized |
| Fit | AR-15 |
| Manufacturer Part # | 450B0592 |
| Model | Tactical Carbine |
| Subcategory | Complete Upper Receivers |
| Type | Upper |