First Factory Tokyo Marui MWS GBBR Airsoft Outer Barrel Base

Full metal construction.
Enables the adaption of other outer barrels.

Compatibility:
Tokyo Marui M4A1 MWS GBBR.

Installation is simple, you simple remove the hand guard of the M4a1 and remove the stock outer barrel base to swap out with the new one. However, we recommend that you consult a technician for assistance.

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tokyo marui /

Laylax/First Factory