All ways check mine be for going out , just like skot never shifts zero ,must be a sidewinder thing
Been all week pellet testing my new HW100KT .177, I thought my HW100kt.22 is good but the .177 is something else .
Went out last night and had a pigeon at 45 yards , rabbit at 50 yards, another rabbit at 30 yards then another pigeon at 40 yards but for got to take my camera