The first time a buddy of mine and I went prairie dog shooting, I'd been bragging about well the brand-new (back then) .16 Hornady Rimfire Magnum worked. He was intrigued, so I allowed him first shot, since he'd come up with the spot.
Instead of shooting at one of the closer dogs, at around 100-175 yards, he aimed at one on the far side of the field. When he pulled the trigger to dog flopped down, because it had been head-shot at 303 laser-ranged yards. i
