Quote:
Originally Posted by Skladfin
it's almost never perfect, doesn't really matter whether you got a airseal nozzle with the O-ring or not. If it was such a tight airseal, then the airnozzle wouldn't be able to move.
Try putting it back in the gun first, and chrony all the shots. If it has a good airseal overall, the FPS deviation over 10 shots should be about 5FPS.
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So how much loss are we talking about? Because when I'm trying to do a compression test, I can push the piston up the cylinder fairly easily with my finger over the air seal nozzle.
I'm using an ARS MASK Aluminum Cylinder Head with a sorbo.