It is obvious to most, I'm sure, that lubrication goes hand in hand with cleanliness. So locking lugs and recesses are cleaned prior to lubrication.
FWIW, I have seen more actions damaged from a lack of lubrication than I have from inadvertant chamber lube issues.
Actions which were case hardened are less likely to be seriously damaged by a lack of lubrication than newer alloy actions. Regards, Bill.