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Old March 17th, 2009, 17:33   #1
Tommygun_ted's Avatar
Join Date: Mar 2009
Location: Shelburne Ontario
A&K M249 spring replacement

I just purchased an A&K M249, but it's been upgraded to shoot 400 FPS. I need it to fire at 350 FPS, and the guy I bought it off of said all I need to do is replace the spring with a weaker one. However, I'm new to airsoft, and don't have a clue on what spring to buy or how to install it. I can search YouTube to find out how to do it, but would appreciate advice on what spring to buy. Thanks.
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