A man was field stripping two handguns in Tullahoma, Tenn. when one discharged, shooting his 1-year-old daughter in the chest, The Tennessean reported.

Kevin Sayre, 26, was "showing how parts of one gun were interchangeable with the other one" in the presence of the child. Police said Sayre was acting recklessly. He was charged with aggravated assault.

The child was listed in critical condition Tuesday, according to the Tennessean.