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Old October 10th, 2009, 18:47   #5
Join Date: Oct 2009
Originally Posted by scurvythepirate View Post
Which MP5 model is it?
A new spring would work, but you'll need a new spring guide, shims, 7mm metal bearings etc.
What FPS are you going for?

EDIT: Go to Airsoft Parts .ca

i have the mp5 a4.
i would like to go to about 350 fps, i am a begginer and want the easiest and safest way to mod my gun without causing damage to it.
thanks pal
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