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Old April 11th, 2011, 18:46   #43
Join Date: Jun 2006
Location: Tri cities canada
the ICS split box is well made my son has run his M4 for over a year it shoots great at 330 no range or accuracy issues with 28 gram Bastards, tho u could upgrade the spring easily on the ICS as long as u dont go above 360 fps or so the piston should be fine
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