HIGHLIGHTS
ABOUT
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Monk Customs presents: CSG! The first HPA only gearbox out there. With the split gearbox design doing maintanence on your HPA engine is no longer a hassle, just remove your upper and you are able to service your HPA engine without removing the gearbox from the lower receiver and having to unscrew your grip.
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Apart from that its a perfect marriage with the new MFCU that will fit perfectly in CSG gearbox adding ample space to your ESG HPA Grip.

Monk Customs
Monk Customs CSG HPA Gearbox
Regular price
$179.99 USD
Regular price
Sale price
$179.99 USD
Unit price
per
Shipping calculated at checkout.
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Monk Customs
Gorilla MFCU
Regular price
$219.99 USD
Regular price
Sale price
$219.99 USD
Unit price
per
Shipping calculated at checkout.
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