Blowncar,

Chances are about 99-1 what you have is an Ackley version. The way to tell is simply compare the cartridges you have with a standard .30-06. If the neck is approximately the same length and the neck/shoulder junction in the same place it is a Whelan. If it is the Brown version the neck will be noticeably shorter, and slightly shorter than it's diameter.

The loads you say are marked on the reloads are quite reasonable for the cartridge. I would have a friend that does reload pull down 3-4 rounds of each and verify they are correctly marked. Usually I would say to not shoot them, but with a wildcat the situation is a little different.

My recommendation is either take up hand loading or sell it now to someone who does. 150 rounds don't go very far.

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Gunsmithing since 1961