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Old April 9th, 2009, 11:34   #4
coach
aka coachster
 
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Join Date: Mar 2008
Location: T dot
http://www.airsoftparts.ca/news/modifyspringtest.pdf

bit of a hit and miss but if you follow modify's upgrades, you could get similar results.

I'm putting an s100 in my MP5 but it will be strictly used for outdoors. I have put in an s90 in my TM AK that is bone stock with a 229mm TB but will have to chrony it to see what it actually shoots.
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