ATHENS (Reuters) – Greek prison guards will go on strike next week demanding a change of their American-made weapons that date back to the U.S. wars in central America almost a century ago.

While antique shops would be eager to get their hands on them, prison guards just want to get rid of their obsolete 1911 U.S. Cavalry revolvers. The guns do not scare inmates any more as safety experts have advised guards not to fire them.