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cjboi · August 30th, 2010, 02:25

the stock spring for echo 1 P90 is m110 or m100. It shoot's 375+ FPS and I thought the spring would be the same for KS. That's weird, have you tried using any other spring? and check if there was any improvements?

August 30th, 2010, 02:25	#47
cjboi Trader rating Join Date: Oct 2009 Location: manitoba	the stock spring for echo 1 P90 is m110 or m100. It shoot's 375+ FPS and I thought the spring would be the same for KS. That's weird, have you tried using any other spring? and check if there was any improvements?