Thread: M4 fps
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Old January 29th, 2009, 15:20   #5
ROAR
 
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Join Date: Jul 2008
Location: Edmonton, AB
The teeth are the only thing thats metal on the piston and yes im using a madbull v.2 chrono. Im only doing abot 300 to 310 right now with the 110 spring installed.

ill check my seals, if i put the piston in the cylinder and put my finger so no air gets out of the end should the piston fall fast slow or not at all?

Last edited by ROAR; January 29th, 2009 at 15:24..
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