GBLS DAS CQB Upper Receiver Set GDR 15

– Outer Barrel Length: 10.3”
– Inner Barrel Length: 275mm.
– Inner Barrel Diameter: 6.04mm.
– Hop Up Bucking
– Hop Up Chamber.
– Charging Handle.
– Weight: 2.5LB
– Barrel Nut: For BCM (Bravo Company ) Real Steel Rail.

Not including BCG and Rail System.