"My kind of campaign stop; Capital Armament in Sibley," read the photo caption of Louisiana's Indian-American governor, inviting mocking comments, according to Atlanta Journal Constitution newspaper.
The company's Facebook page describes CapArms as a veteran-owned company that manufactures ammunition, firearms and smokeless gunpowder
A commentator accused Jindal, a strong supporter of gun ownership rights who has signed several pro-gun rights bills into law in his state, of pandering to constituents and calling him a poser.
Another called it Jindal's Dukakis moment, referencing the 1988 campaign photo of Democratic presidential candidate Michael Dukakis riding in a tank.
Politico, an influential Washington news site, referred to that image as one of the "worst campaign backfires in history."