The bipartisan bill would abolish the death penalty in Ohio and ban the use of state funds for assisted suicide and abortion.
Senate Bill 59 and its exemption encompasses all non-shotgun firearms that chamber a .50 caliber round or smaller and any shotgun .10 gauge or smaller alongside the ammunition for those firearms.
Duffy, a 53-year-old former Wisconsin congressman and reality TV star, was approved on a 77-22 vote in the Senate.