Gearbox V2 BOLT Airsoft shell for B4 B.R.S.S. series replicas.

Gearbox shell V2 from BOLT Airsoft for B4 series B.R.S.S. replicas.

The Gearbox V2 shell from BOLT Airsoft has been modified to accommodate the B.R.S.S.system on B4 series replicas.
In addition to the shell, the kit includes a set of mounting screws and plain bearings.