RMR 69 gr OTMs

[MarshallDodge]

Any of y’all launching these with Sta-Ball Match yet?

I haven't even seen Staball Match yet, only heard about it.

Powders I have tried-

TAC worked best, but only marginally, and I did the most load development due to it being the most plentiful at the time.
8208XBR
N133
N540
IMR4320
SMP735 surplus powder. SMP= St Marks Powder, who also makes the Staball powders. Burn rate is closer to H322.

Powder choice typically won't take a 1 MOA bullet and shrink it to a 1/2 MOA bullet, but I was curious if the issue was my rifle or the bullet. In one of my rifles the 69 3GH averages 3/4 MOA while the other is about 1.5 MOA.