Originally Posted by lonewulf
i put m90 (70fps) had air leak (cylinder head & air nozzle ) fixed it put m120 shots 398 fps .will a m110 get me to 360fps what do you think????:banghead:
The M90 was giving you 90fps because something else went wrong when you re-assembled it. When you put in the M120, you probably did it "correctly" and thus got the 120m/s it advertises.
My advice is give the M90 another go and try to test the compression components as you reassemble the gun this time. Good luck.