Good way to know if under 400fps with .25s?
I currently do not have a chrono at the moment and just carry .25g bbs on me.
I've done the poor mans chrono with the pop can but it wont give you an accurate estimation with .25s.
Is there any other good way to know if you're under 400fps with .25gs?
** Currently using the .25s it goes straight through from one side of the pepsi can to the other, it doesn't break through the bottom of the can in the middle but it does dent it fairly well and even leaves a crack sometimes.
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