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.
Features :
- .223/5.56 RRAGE 3G Complete Upper Half
- 16-Inch Chrome Moly Barrel, M-Lok Compatible Free Float Rail
- A2 Flash Hider
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