Adam Hartman v. Ebsco Industries, Incorporated

FLAUM, Circuit Judge.

Adam Hartman’s father gave him a muz-zleloading rifle in 1994. Like many older muzzleloaders, the gun was designed to use black powder as a propellant. As such, the muzzleloader ignited newer, pelletized propellants erratically. In 2008, Hartman installed a kit on his gun — sold by KR Warranty, the maker of the rifle— that modified the muzzleloader and enabled it to ignite new propellants more reliably. The next day, Hartman was sighting in his “upgraded” muzzleloader when the gun unexpectedly discharged as he was trying to load it. The surprise firing of the weapon…