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.
Specifications
- Brand: Rock River Arms
- Manufacturer Part #: BB0470
- UPC: 842834123865
- Caliber: .223 Rem/5.56 Nato
- Type: Upper







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