I just did load work for the exact setup. 30” Bart, Atips and n570. I ended up at 89.5 gn -90.0gn. Laser accuracy with speeds around 2850 fps. All the bullets I tried with n570 shot great. Oddly enough H1000 didn’t work for shit in this barrel no matter what I did. I started at 85.0 grains and...