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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.
| UPC | 842834111916 |
|---|---|
| Manufacturer | Rock River Arms |
| Manufacturer Part Number | SOC0564 |
| Barrel Length | 16" |
| Caliber/Gauge | .458 Socom |
| Color | Black |
| Model | Tactical Carbine |
| Product Type | Upper |
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