So I got out and did one more test and the best group was. The 154 interbonds @3185 fps here's my 3 shot group View attachment 200995
Nice, you are set to go. If you are pushing them at 3,000 fps you are good to 600 yds or more
I loaded some 154gr Interbonds as well with 7828 and will see if they shoot good.
Best of luck and stay safe