I'm hoping those of you that are fluent on SC 03A3 features can help me out. I have some questions regarding bolts used on original guns, so fire away.

1. Is there any logic to the numbers found on the underside of the bolt handles? Would lower numbers be seen on early guns and higher numbers on later guns?
2. I know that SC safeties have rounded corners but have been told that late SCs had square corners on the safety. Comments?
3. Would a blued bolt assembly (body & bolt sleeve) with a parkerized cocking piece be correct for a late SC?
4. Final question...it seems that I frequently see OG (not OGEK) marked 03A3s with mismatched bolts on otherwise original appearing guns. Is it possible that they stored the guns without bolts and reinstalled them at a later date?

The reason for the questions is that I scored a really drippy mint original late SC, full of grease, that is marked OG but it has a R marked bolt assembly. The condition of the bolt matches the rest of the gun...unused and full of grease. All else is as it should be. I want to find a correct SC bolt but just want to be sure of what I should be looking for.

Thanks in advance guys! And a belated Happy New Year to everyone.
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