My blackout is definitely 1 moa capable.
I just developed very crudely for a hunting load, its been my thermal gun that mainly gets shot at night under 50 yards so I didnt get too deep with it. I got both a super and sub sonic to shoot under an inch @ 100 in development though on back to back weekends so thats all I did with it on paper as far as vetting it goes.
As soon as the atf gets around to approving my sbr form 1 I will take the thermal off the ruger and actually stretch its legs a bit to see how it really really shoots.