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10/19/2011 7:09:46 PM EDT
Im thinking about pulling my 16" heavy barrel off and putting on a standard M4 Barrel.  I have a front sight tower on the heavy barrel. standard A frame style.    Can I reuse that tower on my new barrel I know there are two different dimensions i thought a .750 and a.680?
10/19/2011 7:15:34 PM EDT
[#1]
No, especially if the barrels are of different diameter.  Besides, if it's pinned it was drilled for the original barrel.
10/20/2011 6:48:59 AM EDT
[#2]
No.
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