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.
- .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
Additional Details
- SKU:
- RPVRRA450B0592
- UPC:
- 842834125548
- Weight:
- 6.44 LBS
- Width:
- 6.00 (in)
- Height:
- 6.00 (in)
- Depth:
- 32.25 (in)
- Accessories:
- 1 Magazine
- Barrel Length:
- 16 in
- Capacity:
- 5 Rounds
- Finish:
- Anodized
- Fit:
- AR-15
- Caliber:
- 450 Bushmaster
- Manufacturer:
- Rock River Arms
- Manufacturer part #:
- 450B0592
- Model:
- Tactical Carbine
- Type:
- Upper
- Sub Category:
- Complete Upper Receivers
- Color:
- Black
