Yugoslavian JNA AK47 rear sight. O marked or 0 marked? Yugo rear sight by Zastava Arms

Video informing what the rear sight character means. This sight is used on more than just the M70, but it is the Yugo AK I decided to reference. It's often mistaken and not known for sure if this sight has an "O" as its character designation or "0". Fielded by the JNA Yugoslavian National Army and other branches. Former Kingdom of Yugoslavia was made up of/inhabited: Slovenia, Bosnia and Herzegovina, Croatia, Serbia, Montenegro, North Macedonia, Kosovo. I stated roughly 4 countries but of course is made up of more. The Yugoslavian rifles were produced by Zastava Arms.

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