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six4 · May 27th, 2008, 22:19

my experience with systema springs was not a good one. i had an m120 in my ics that sagged from 380 fps down to 340 in less than 5,000rds. as recommended by "cook-off" from van, op-for i went with a madbull m110 ( blue) from www.airsoftparts.ca

May 27th, 2008, 22:19	#8
six4 Trader rating Join Date: Jan 2006 Location: mission b.c.	my experience with systema springs was not a good one. i had an m120 in my ics that sagged from 380 fps down to 340 in less than 5,000rds. as recommended by "cook-off" from van, op-for i went with a madbull m110 ( blue) from www.airsoftparts.ca