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Old May 22nd, 2010, 13:33   #2
The CDN Hoople
a.k.a. Hoople97
 
Join Date: Jul 2008
Location: Winnipeg, MB
Try this thread

http://www.airsoftcanada.com/showthread.php?t=96773

It should help as its a thread dedicated to helping solve problems and upgrading the KJ Works M4. Hope this helps
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