Center fire and rimfire rifle & pistol ammunition got non-corrosive priming several years ahead of shotgun ammunition.

Remington introduced their KLEANBORE priming to their .410-bore shotgun shells by 1930. From the January 1, 1930 jobbers price list --

[Linked Image from i.imgur.com]

and a 1930 catalog --

[Linked Image from i.imgur.com]