My gunsmith just sent me an update regarding your M48 Long Range 28 Nosler. After cleaning the barrel and re-setting the trigger to 3 lbs, he sent it to the lab to be tested. Our ballistics lab found results similar to what you were experiencing with our 160gr AccuBond load. They also tried our match bullets just to see what they would do and actually produced a very good group. My gunsmith is checking out everything on the barrel currently and is determining the next step for this rifle. I will let you know when he provides me more information regarding the next step.
