John,
I have a one in 22 Mag with the 22 inch barrel.
I don't have much experience with many other 22 WMRs, however, mine seems to be reasonably accurate with a few brands of ammo.
Specifically, it adores the Hornady 30 gr vmax stuff. It will shoot very uniform 5-shot groups that average just under an inch at 100 yds.
It also seems to shoot the 40 gr CCI maxi-mags and 40 gr Rem PSPs well. Both of these go between 1.25 to 1.5 inches at 100. Again, 5 shot groups. interestingly, these both go to the same POI which is about 3 inches off from the Hornady stuff.
The one round which it did not like was the CCI 30 gr +V stuff. That shot 4-5inch patterns at 100 yards. Just all over.
So far, that is the only ammo I have wrung thru mine. I do like it and bascially either shoot the Hornady or Maxi mags depending on the situation.
HTH,
Bob
