I shoot 180 grain in 300 win mag. I set my zero at 200 yards in Oklahoma. I know from 15 years that at altitude I need to drop my turret 5 clicks (1.25 MOA) to keep my zero when I hunt over 10,000 feet.
Last edited by conrad101st; 08/24/15.
Conrad101st 1/503 Inf., 2nd ID (90-91) 3/327 Inf., 101st ABN (91-92)