If so, then a .177 air rifle, zeroed at 35 yards is going to need about 18 clicks for 50 yards and a .303 on a 100 yard zero will need 10 clicks at 200 yards.
Interesting Kev. What ballistics software did you use?
B.S.A. Airsporter Mark 4 .22" , Webley Osprey .22", Feinwerkbau 300 S .177", Webley Senior .177"