Rock River Arms complete Tactical Carbine upper is an A4 upper chambered in .458 SOCOM with a 16" chrome moly bull barrel and 1:14 twist. Additionally the upper comes with a complete bolt carrier group, charging handle assembly, 15" RRA lightweight M-Lok compatible free float rail and a RRA Operator brake with a a 5/8-32 thread pitch.
- Prop65:
- 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.
- Barrel Length:
- 16"
- Finish:
- Anodized
- Fit:
- AR-15
- Caliber:
- 458 Socom
- Manufacturer #:
- Rock River Arms
- Manufactuer Weight:
- SOC0564
- Model**:
- Tactical Carbine
- Units Per Case:
- Upper
- Color:
- Complete Upper Receivers
- Lens Color:
- Black
