Action Army AAC21 / KJ M700 HOP-UP Chamber

Article number: B03-015
Availability: In stock
Delivery time: In Stock at UK Warehouse

The Action Army KJ M700 / AAC21 hop-up chamber uses a new and innovative system for extremely precise adjustment of pressure placed upon the hop-up bucking. 

- Driving or losening the screw, hop-up lever will be up and down by smart mechanical pressure 
- Smart mechanical pressure can avoid the o-ring fail which results in a leak 

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