Thread: fps
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Old February 7th, 2011, 19:42   #10
a.k.a. Greedy
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Join Date: Dec 2010
Location: Toronto
Originally Posted by BearJew View Post
ok ummm well i have a gear box that shoots 400-500 and i want to drop it into my m4 but i need to figure out what weight i need to make shoot around 350
PM a gun doc they'll be able to get the gun shooting 350 or less on .2's or maybe be able to tell you what spring to put in it if you want to give it a go, all you need to do is change a spring.
lots o' how 2s on the interweb

Last edited by Kozzie; February 7th, 2011 at 19:45..
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