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Old October 8th, 2009, 15:31   #6
Con Murder
 
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Join Date: May 2009
Location: Lethbridge Alberta Canada
My brother owns a fully upgraded M4 S from velocityarms and the thing is solid. If you plan to use this all year round (indoor/outdoor) the ICS will be able to swap springs 100 times easier though. Research until av'd then purchase, no use having regrets.
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Con Murder
Dark Rhino
L.A. Airsoft
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