Zeroing the Close Combat Optic (CCO), Part 1:
July 9, 2017
We are continuing our discussion on the M68 Close Combat Optic, or CCO. The reference for this is TM 9-1240-413-13P dated May 2013, and TC 3-22.9, Change 1 dated January 2017 To recap our discussion from last week, the close combat optic (CCO), M68 is a non-telescopic (unmagnified) reflex sight that is designed for the… read more »