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.
- Barrel Length : 16"
- Caliber : 458 Socom
- Color : Black
- Finish : Anodized
- Fit : AR-15
- Manufacturer Part # : SOC0564
- Model : Tactical Carbine
- Subcategory : Complete Upper Receivers
- Type : Upper
Other customers may have experience with this product. Ask our customer community a question here!
(0/200)


