To revise the types of firearms allowed for deer hunting south of the “rifle line” in the Lower Peninsula. In addition to shotguns and muzzle-loading rifles, hunters could use a .35 caliber or larger pistol capable of holding no more than nine rounds, and a .35 caliber or larger rifle loaded with straight-walled cartridges and a maximum case length of 1.80 inches (in other words, not a high-power rifle cartridge).   Official Text and Analysis.