I am a lifelong groundhog hunter, and the last few years I have taken to photographing my first kill of the season. This year it was with my new Savage .17 HMR with bull barrel. See photo below. It was a heart shot at 100 yards..CCI..TNT 17 gr HP. I have an NEF in .17 HMR and from the groundhogs I have shot, I like the V-max bullets best. This chuck had the bullet pass clean through, a .17 hole in front, about a .20 hole out the back. On something groundhog size, the V-max tends to explode inside.