what eeyore said
modify s90 http://www.airsoftparts.ca/store2/in...roducts_id=884
modify s110 http://www.airsoftparts.ca/store2/in...roducts_id=886
my $0.02, aim for around 330fps. you will have the benefit of being able to use it indoors without issue, and that's just about the right velocity with some hop for outdoor range too. it's a good balance.
Originally Posted by Killyin
I think I'll just buy 3-4 different springs and give each one a go to see what their FPS is with my AEG.
sounsd like a good waste of money. don't forget to buy a chrono too!