First off I would like to say hello to all and thanks in advance for weighing in on this topic. I am new to long range shooting and I am trying to gather as much info as possible before trying to thump any game. I have been looking around for info on my gun past 500yds. and its hard to find. I am shooting a M77 Mark II rem 280. My question is how far is my gun lethal given I can shoot it acuratly. The load I worked up that shoots best out of my gun is a Hornady 162 sst 56.5 grains of RL22 I conagraphed it at 2945 fps at the muzzle. I know this question is broad but any help is apriciated.