How To Zero M4 Iron Sights Army - Mechanically zeroing the weapon is only necessary. Web mechanically zeroing the m4/m4a1 and the m4 mws. Web for the cco and acog, best thing to do is zero at center mass at 25 yards and adjust down 3 4ish moa.
Web for the cco and acog, best thing to do is zero at center mass at 25 yards and adjust down 3 4ish moa. Mechanically zeroing the weapon is only necessary. Web mechanically zeroing the m4/m4a1 and the m4 mws.