http://www.6mmbr.com/rangefinders.html
these little gizmos are great to have handy along with your rifles trajectory table if your into taking shot over about 260 yards
http://www.biggameinfo.com/BalCalc.aspx
calculate then print out on a 3x5 card your rifles trajectory, check it at the range and laminate the card and tape it to your rifles butt-stock as a reference
example heres my 340wby
50 +1.5
100 +3.4
150 +4.1
200 +3.4
250 +1.3
300 -2.4
350 -7.8
400 -15.0
450 -24.2
500 -35.5
these little gizmos are great to have handy along with your rifles trajectory table if your into taking shot over about 260 yards
http://www.biggameinfo.com/BalCalc.aspx
calculate then print out on a 3x5 card your rifles trajectory, check it at the range and laminate the card and tape it to your rifles butt-stock as a reference
example heres my 340wby
50 +1.5
100 +3.4
150 +4.1
200 +3.4
250 +1.3
300 -2.4
350 -7.8
400 -15.0
450 -24.2
500 -35.5