Way back when there was a 1/4 mile of Maine Quakies. (Thumb thick trees by the thousands) When you were inside them you would be lucky to see 10 feet, and swinging a rifle was even more difficult. Well of course all the Big Bucks used the area once the season opened, so Mr. New England (Names hidden to protect the innocent) and I found an old oak at the edge of the Quakies. Once we strapped a 20 foot ladder to the Oak and fashioned a permanent blind, suddenly all the of the area was visible. Now Mr. New England had been born on that land and had hunted it with his 30-30 lever action all his life. Never had he needed a second shot to down a deer with his open sighted 200 yard zeroed 30-30 lever action in his lifetime. (Yup, he was about the best shooting woodsman I've run across.) To get right to the point. From the 20+ foot elevation, with his 200 yard zeroed 170 grain 30-30, at roughly 100 yards for the first time in his life it was a clean miss on a really large buck. He was so upset that he rechecked the 200 yard zero once he came down from the stand. Yup, it was dead still dead on. Rifle performed flawlessly just like always. So was it Poor Shooting, or could the slant angle had something to do with it? PS (Nowadays Mr. New England has a dedicated Scoped Ruger Bolt Action .308 Win for use in the stand, and he's proven that it works.) But with his feet on the ground, the Old 30-30 has never needed a second shot to this day.