Works fine - Black Aces Tactical GT9 Turkey 12 Gauge 9 Pellet 2 3/4in Zink Coated Steel Shotgun Buckshot Ammunition

I’ve shot about 200 of these through a Hatsan MPA semi with no choke … no problems . At 25 yards the pattern is open with some flyers. Less than 20 you have tighter patterns with a defensive shotgun. Once my shotgun parts were polished I broke it in using these rounds . I think it took about 100 to break it in.