i just had a new air arms s400 butt having trouple shooting any thing the scope a hawke sport 50 mill no AO it is sighted at 30 yrds smack on butt still missing birds. is it the scope, is it no good or i dont understand the range which i am shooting at. the laser rang finders are far to expensive is there any tips on understanding the range. the scope which i have is a mill dot how many mill dots shall i shot above and low
and any tips on hunting with an air gun