T8 Tokyo Marui MWS GBBR Bolt Carrier Hammer Assist (Steel, High Speed Version)

The Run In Workshop T8 steel bolt carrier assist is designed to be a high-speed assist for faster operation of your TM M4 MWS GBBR. The threads allow for a finer adjustment for shorter travel.

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Compatibility:

• Tokyo Marui M4 MWS GBBR

Includes:

• x1 Run In Workshop T8 Steel Bolt Carrier Hammer Assist (High Speed Version) for Tokyo Marui MWS GBBR