I thought that I had read one time that pre 27 boxes were built to the size of the pistol. 3.5" would be shorter boxes than the 6", with 8" variety being the longest. I have come across 3.5" marked boxes that look to be for a 6" revolver. Is my memory wrong or could they be in differing lengths? Any help would be appreciated. I can not download pictures for example.

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Matthew Conrad