Mike Nitsch beat all comers, including 22 rimfires, in the Pro class with his custom Thomas air rifle at the NRA N50 national champiionship
http://bulletin.accurateshooter.com/2021/09/sunday-gunday-n50-nationals-and-the-modern-precision-airgun/
http://bulletin.accurateshooter.com/2021/09/sunday-gunday-n50-nationals-and-the-modern-precision-airgun/