Singer now in stable condition after he was hunting alone and his firearm "slipped out of the holster, hit the side of the jeep and discharged into his stomach area"

According to a Facebook post Saturday morning, Sundance Head's wife Misty said the singer was released from the hospital in Tyler, Texas late Friday night, adding that she "can't

The 46-year-old Houston native – whose name is Jason Head – was putting a gun away at his ranch when it "slipped out of the holster, hit the side of the jeep and discharged into his stomach area," his publicist said.