VSR10 / T10 Hopup Chamber

The Hop-up chamber uses a new and innovative system for extremely precise adjustment of pressure placed upon the hop-up bucking 

Action Army Smart Hop Up Chamber for Marui VSR-10 
Full CNC Alu Construction  
Driving or loosing 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 
Replace Tokyo Marui VSR-10 Series Airsoft Sniper Rifle