Zeroing the M68 Close Combat Optic: Preparation and Grouping
Prepare and zero the M68 CCO by confirming the configuration, inspecting the mount, firing repeatable groups, applying documented adjustments, and confirming distance.
#CCO
M68 Close Combat Optic: Operation, Mounting, and Use
Understand the M68 Close Combat Optic’s operating principles, brightness, parallax, mounting, both-eyes-open use, mechanical offset, zero, and checks.