16 gauge question

[Contenderizer]

I own two 16 gauge guns; one a pre-WWII German made Simpson side by side, and a Ranger O/U. The Ranger is a Sears trademark and was likely manufactured in the same era as your JC Higgins. I only fire target loads in my guns as they were manufactured during a time when shot shell pressures were less than they are today. Perhaps I am being too conservative with the Ranger, but it works for me as I only use it on doves, rabbits and tree rats.

Try to date your JC Higgins and be certain that modern shells are safe to use. Error on the safe side until you know for sure.