Thread: ICS M4 RIS. Barrel upgrade (Advice needed)
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Old May 19th, 2010, 06:44   #19
fabzster
 
Join Date: May 2010
Nice 1

I have ordered the Madbull ver2 6.03mm 509mm for my M16, prommy (soft) rubber and the element H-nub

so we will see what difference it makes
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