Not ground hogs, not with a rocklock, but I hunted spot and stock for predators, rock chucks, ground squirrels and jack rabbits all the later years with 32, 36 & 45 caliber caplocks. 36's were my favorites for all, the 32's not enough for any but the GS's and the 45's did too much pelt damage. Always wore my mountainman persona leathers and only used mouth calls and simple decoys I made myself that too added greatly to the challenge. I started shooting black in the the early 70's for big game hunting and reenacting, but I wish I had put the centerfire laser guided missile launchers aside many years before I did for predator and varmint hunting.