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please install and set pressure before connecting to gun
the lower the FPS
This feature allows decreasing the nozzle movement speed
When the trigger pushes on the rod
Downgrade Valve Set 2.0 For Tokyo Marui AKM & AKX GBBR m4 please install and set pressureDowngrade FPS Muzzle Energy for TM AKM AKX GBBR rifles. Set of 4 sizes. This little floating valve is a replacement part for the original floating valve in the TM GBB AK. It comes in 4 different sizes, each giving a preset amount of gas volume through the nozzle to accelerate the BB. The smaller the volume, the lower the FPS. Each valve has a unique marking to indicate it's powerlevel; High, Medium, Low and Very Low.
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