As far as I know, they don't leak, but when air pressure is applied the move a LOT. They don't move anywhere near as much on my other guns (FX), nor on my large feed tank, so I'm assuming that there is a fitment issue.
I certainly DO NOT want one to pop-off during a fill and cause me damage to myself or the rifle.
I certainly DO NOT want one to pop-off during a fill and cause me damage to myself or the rifle.
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