The weapon was fired on Tuesday afternoon.
A man has been arrested in relation to a midlands shooting investigation.
The weapon was fired on Tuesday afternoon in Dundarragh, Longford.
As part of this investigation, Gardaí searched five residential properties, and a number of items were seized.
A man in his late 30s was also arrested and taken to Longford Garda Station.
Investigations are ongoing.
Read More: Gardaí Investigating Midlands Shooting