Ron, et al

You have been very helpful in dating Remington boxes but - is it possible to accurately date Post WW II Winchester boxes??

If so, exactly what codes or numbers do I need to look for?

I’m fairly confident in dating the cartridges but there are many instances where the boxes are not correct. For example, I recently saw a box of SUPER-X 243 WINCHESTER (6mm) which would seem to indicate 1950s production but the cartridges had a WW SUPER headstamp which, I think, dates them to 1969 or later.

Any help would be appreciated.


Ray–I am only doing UMC and REM-UMC. If I live long enough I hope to compile the catalog listing for other brands as wel.

I think this is exacty what you need:


Thanks for the link. A little costly for what I was after but I suppose you can’t have too many references.

Can we get a date on when you expect to complete your list? :) :)


Ray–I’m up to 1929 at the present. So far I have over 8000 line items. With any luck I hope to have the project completed by September.

If you’ll post or send me pictures of the boxes you wantr to date, I’ll see what I can do. I have the book that Ron gave you the link to. It is a fantastic book with pictures of hundreds of boxes, all in color, and packed cover to cover with useful information. I highly recommend it to anyone with an interest in cartridges or in Winchester rifles; its chapters are arranged by rifle model showing examples of the boxes for each caliber that the rifles used.

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Old Ammo Guy

Thanks for the offer.

Does the book also cover boxes such as Empty Primed Shells? I have several of those that I’d like to date. I believe they have numbers on the back which I assume are lot numbers?


I don’t believe it includes any boxes of primed shells.

It probably doesn’t make any difference but I mis-typed. It’s Empty Unprimed cases.


Nope - no unprimed shells, nor any unshelled primers.