I hunt with a Thompson Center Encore in 204 topped with a Simmons ProHunter in 6x18x42 and just seriously started hunting groundhods in June. Previously, I had been to central PA at our in-laws a few times. That's what got me hooked.

I don't reload and use mostly 32 grain factory ammo from Federal, Hornady and Winchester. Most of my groups with these brands are in the 3/4 inch range for three to five shots @ 100 yds at the local range. 40 grain loads are slightly larger, 1".
Recently bought a Savage 12 VLP in 22-250, but there was a problem with the rifling and I'm waiting to get it back from Savage with a new barrel. Hopefully, it will be at least as good as the original which shot 1/2 groups out of the box.

The season here is over October 1 and I'll only have one more opportunity to up my score of 50 to date.

Here is a link to another site where I posted a number of stories and pictures of my groundhoging exploits.

http://www.varmintsforfun.com/visitorhu ... ories.html
I'm still learning and am looking forward to picking up as much as I can from your posts.