That the 105.012 has both screw in and press in pushers is a known variable. Whether the -66 CB has both types of pusher is an unknown variable. Whether the short pushers originally existed in screw in type for the -66 CB or not is another unknown variable. There are other variables also, but can you provide the answers to the above ones?
You're apparently one of the very few who's looked deeper than skin deep at the pushers, unlike many others, either before or after I posted the question about them.
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