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"Rock River Arms RRAGE 3G A4 carbine upper comes chambered in 5.56mm NATO. This extruded aluminum upper receiver comes with a port door and no forward assist. Additionally, this upper is equipped with a RRA 15"" RRAGE 3G M-Lok compatible handguard, a 16"" chrome moly barrel, A2 flash hider, bolt carrier group and charging handle assembly."
| UPC | 842834123865 |
| Brand | ROCK |
| Barrel Length | 16" |
| Fit | AR-15 |
| Cailber | 223 Remington |
| Caliber | 556NATO |
| Manufacturer | Rock River Arms |
| Manufacturer Part # | BB0470 |
| Type | Upper |
| Subcategory | Complete Upper Receivers |
| Color | Black |
