Got a GH at 254 yards yesterday morning. First spotted him at what the range finder said was 410 yards. Not sure that was right, but it was definitely too far to take the shot with any chance of getting a hit with a near steady 10mph cross wind (almost 90 degrees to the line of sight) and my equipment (CZ527 .223 shooting 40g Nosler BT @ 3,650 fps, 4.5-14x40AO Leupold VX-III).
He saw me too, or at least he saw or heard the ATV. Went back in his hole. While he was down, I left the ATV where it was and walked backwards over the ridge out of his sight. Then I manuvered my way over to the far edge of the field and, keeping out of his sight, along the field, then backup behind a "break" (rock ridge covered with trees, common in PA farm fields in this area). He hadn't seen me yet, but when his head came up he was looking at where I used to be before he looked anyplace else. I thought "this can work".
I got set up seated in my chair with the rifle on the sticks so my bullet would clear the top of the ridge by about a foot. If he was only going to show me his head, all I was going to show him was mine behind the scope.
Serendipitiously I was in the shade and where the breeze was channeled up the draw to cool me off (85F and 80+ % RH - it was a sauna out there in the sun). It was beyond seriously hot. The true range (corrected for the down hill angle which the range finder does automatically) of the impending shot was 254 yards but with the wind from my rear.
Aside: When I first got to the field I couldn't see through my scope - it came out of the air conditioned house and was below the dew point! By the time I was set up the scope had reached ambient temperature.
So ... I watched the hole like forever. He would put his head up far enough to see where I used to be but not far enough that I felt confident enough to take the shot. This was going to be a one shot deal, I hit him, or I miss and he goes under and stays longer than I'm willing to cook. The ground around the hole sloped down on the side away from where I used to be and was mostly bare dirt the GH had pushed out of the hole. I figured, if I was lucky, sometime before I melted or ran out of patience, he would come all the way out of the hole, cross that bare dirt, and start to nibble on the alfalfa just beyond.
I got lucky. With him on the dirt and his full body as a target I put the horizontal cross hair level with the top of his back, and the vertical cross hair right behind his head, took a breath and squeezed. I saw the impact (doesn't happen all that often with the .223 CZ), he expanded, then collapsed flat right in his shadow. He was pretty big but the bullet's terminal performance left him a poor candidate for a picture. His guts erupted right up through the top of his body which surprised me - I don't usually see that on 200 yard shots, never mind 250 yard ones (OK, 250 yards isn't usual, in fact this was the first, but I was still surprised at how much damage there was). I left him there as an MRE for the vultures.
I got a shot at a second one and missed, range finder said it was 318 yards. It was almost dead across the wind at 90 degrees from the other shot. GH was moving fairely rapidly across the field stopping now and then to sit up and look around. I waited till he was sitting up, put cross hairs on his head, vertical along the upwind side of his body and squeezed. Missed about 6" to the down wind side.
About 9 or 10 inches of drift at ~318 yards which, if my memory is right, is about what's expected from the 40g NBT - OK, fired up QL/QT and the drift I saw would be consistant with a 90 degree cross wind of 7 mph @ 320 yards. A proper mil-dot scope, set for the power at which it's calibrated, held with the first dot left of center on top of his head would likely have taken him down. I was good for elevation, just off in windage. GH didn't stay around for an encore. He made the 100 yard dash to his hole in what might be record time considering the heat. I had no chance at a shot while he was running, and no patience to wait around in the heat any more, so I called it a day.
Fitch