A court has been told a man accused of shooting his girlfriend at their Avondale Heights home had been speaking about the gun having no bullets in it before the shot was fired.

Mehmet Torun, 25, is charged with the murder of 24-year-old Kara Doyle, who died in hospital after being shot in the groin at their Avondale heights home on April 17 this year.

Kara Doyle.

A young woman who was in the house at the time of the shooting said she walked in and heard Torun talking about telling someone the gun had no bullets in it.

She said he was waving the firearm around and next thing he had shot Kara point blank.