Rockchuck Head Shot with Classic Circa 1973 Ruger M77 in .220 Swift. Before you comment about this being cruel. We are doing farm crop protection. The green vegetation beyond the rockchuck is wheat. The areas that are brown, or dirt, are areas where dozens of rockchucks ate the new buds that were growing out early in the spring. This farm is 10s of thousands of acres. The areas that were eaten away encompassed the outer edge of this entire farm/crop. The portion that was eaten, extended at least