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Old September 16th, 2012, 18:59   #3
Andre_1999's Avatar
Join Date: Jun 2012
Location: Brampton, Ontario
They could be using c02 Mags for their pistols and maybe the chrono is paint ball type, I heard that it give a higher fps rating, leading to your sig going over the limit.
Do the coke can test to see, not accurate but gives you a base to start.

Airsoft GI - Budget Friendly Soda Can Chronograph Test - YouTube
Skip to the important part.

Just buy a m90 spring and put it in if you are really eager to play CQB or just go to a field with limit of 400 fps.

Last edited by Andre_1999; September 16th, 2012 at 19:03..
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