short range

Is the .50 AE (50 Action Express) considered a pistol cartridge for the purposes of Short Range Season Hunting?

Is the .50 AE (50 Action Express) considered a pistol cartridge for the purposes of Short Range Season Hunting? Its a straight walled pistol cartridge and I think it falls under Idaho Fish and Game Guidelines by being a straight walled case developed for a pistol, but I just wanted to be sure.