Customise your Gel Blaster with this MonkCustoms® HPA Gear Box V2 available in 8 different colours.
Monk Customs are a massive influence overseas in the speedqb airsoft community with some of the most amazing products known to the industry. At GBU we have partnered up with them to offer the most high end Monk Customs products & Builds in Australia.
This gearbox is compatible with Wolverine & Polarstar HPA engines and have adjustment screws to give you the best possible tuning for your blaster.
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