I have a gun just like yours. Hunt here in MS where it is legal to hunt during primitive weapons season with a scope. I have had no problem killing deer over 150yds with a mild load of 46gr of IMR 4198 and a 300 gr HP. My gun and several of my friends shoot under 1.5" at 100 yds. With a little work I bet you can make your gun into a long range wonder!