I've shot the rifle a little more, today at 547 yards. Started the parallax adjustment with the knob at infinity, and then slowly rotated it towards the closer range. Did not reverse direction. I also rested the gun on a hard rear rest with the sight on the target or frame, then checked parallax with my cheek off the stock. I got it right. Then I went back to normal soft rear bag prone setup. All I had ammo-wise to shoot was some Fusion 180 gr and it shot OK, not great. Worst problem I had today was shooting up a hill from prone. Really put a strain on my neck. I don't think today's 8" 10 shot group was all due to the ammo. Some of the larger than expected group size resulted from me not being able to get comfortable behind the gun due to the shooting angle. I shot a 4" group at this distance with Rem Premier Match 168 a month ago, and I'm not sure why I was fairly comfortable then and not today, other than I'm older, LOL.
The key for me for the parallax adjustment is to get the gun steadied and my cheek off the stock to check for parallax correction while moving the knob in small increments from infinity to shooting distance. This seemed to work, but I need more practice, that's for sure.
Joe
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