Just like Remington, Western Cartridge Co. introduced non-corrosive priming to their .410-bore cartridges in 1930 and the larger sizes in 1931. The April 1, 1930, Western Ammunition for Rifle, Revolver and Shotgun lists the .410-bore with non-corrosive priming and the March 1, 1931, Western Ammunition for Rifle, Revolver and Shotgun --

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There were only a couple of years for non-corrosive primers in the two-piece boxes. A box of Super-X from 1931 or 2 --

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By 1933, both Western and Remington went to the one-piece boxes.

Last edited by Researcher; 09/28/23 11:10 AM.