You should be proud, Gene. You’ve done one heck of a job trying to date and make sense of your beloved Reilly’s serial numbers and trade labels. You should absolutely be proud of that work. Kudos to you for that, seriously.

You have not provided one bit of empirical evidence that proves that Reilly made any guns, shotguns, pistols, etc during what we refer to as “The Golden Age” of British gunmaking. Sorry. It just hasn’t happened for you. Even Ray Charles can see that. Every time you sound off about Reilly being a Golden era gunmaker, you site completely circumstantial evidence to prove your point. It’s not convincing anyone, least of all anyone with a clue how the trade operated at that time.
Not one actual maker could’ve possibly made so many iterations of various action designs under one roof with the exception of a massive concern like BSA, Midlands, etc.
Read that last sentence again, Gene. No way Reilly could’ve done that. Not even Greener or W&S made that many different designs. Do you understand that??? Do understand the amount of expertise that would require? Specialist to set up machines and tooling to produce this action or that action. Impossible. Reilly’s didn’t do that. I highly doubt they even finished off barreled actions in the white. You know of no names of any specialist. Not a stocker. Actioner. Barrel filer. Finishers. Not one trade person person ever claiming to have learned their trade or even being employed by Reilly. That, Gene, is a huge red flag.

The names you listed above, not one of those names are associated with being an actual gunmaker or specialist in any part of the gunmaking trade. Shop managers? Walmart & Target have those too. Cartridge loader? Lots of stores, retailers, gun making shops loaded their own cartridges in those days. That’s not surprising.