http://www.burrisoptics.com/scopes/e...cope-4-16x50mm
just watching a Deer hunting show on free to air, they were shooting deer at 400 yrds plus longest was 660 yrds
They used this scope thats more a computer, You feed the info of the ballistics of your rifle , shot used etc
They scope will take all this info and set the cross hairs. The scope is new to these mad deer hunters but
the scope has a 100% kill rate