I want to be able to shoot Elk to about 1000 yards. BUT, I won't push it if the energy and accuracy numbers are not there and I don't want to spend half the barrel life working up loads. I would be satisfied at 700 which is 200 yards past where my energy limit is with my current rig. The longest Elk was 505 yards and took one step...off a ledge and into a tree dying 8 feet above the ground.I have Deer and Pronghorn to 1000, but Elk are a lot tougher.