Sorry I don't have any data, I think I only shot maybe 20 shots, I don't think I even zerod the scope. I haven't shot much lately but if I do I have others airguns I perfer over this one.
This BullBoss is like new, comes w/box,spare o-rings, Optima 2.5-10x50 mil-dot scope, and Hatsan regulator installed $475 + shipping (conus) I will eat the paypal fee.