Don't you know if your weapon to compressed air is under good conditions?
Do you want to know the new little balls from 4.5 or 5 that uses that speeds reach?
Do you want to know if the gas of your weapon to compressed air is ending?
Here is the tool that does for you
Chronograph for Compressed Air, measure the power of your carbine or gun, giving you the value in Joule and the speed of expenditure of the little ball in Meters / Secondo
