Guns Modify Aluminum CNC Receiver Set for Marui M4 MWS GBB (BCM Marking)

Guns Modify Aluminum CNC Receiver Set for Marui M4 MWS GBB (BCM Marking) CNC Aluminum Construction (Lightweight) The set is slated to work with both stock and aftermarket upgrade parts designed for the MWS which makes this receiver set a great upgrade part for MWS users. Suitable For Tokyo Marui M4 MWS Series Airsoft Gas Blow Back GBB Rifle