2009 Deer Hunting Regs on DNR website
Muzzleloaders that are discharged from the shoulder must be at least .45 caliber if
smoothbore and .40 caliber or larger if rifled barrel, and must be loaded with a single
ball or slug to be legal for deer hunting. During the 10-day muzzleloader only
season (Nov. 30Dec. 9), muzzleloaders must have a solid threaded breech plug,
only be able to be loaded from the muzzle, and may not have telescopic sights (1
power or less are legal). Telescopic sights are legal to use on muzzleloaders during
other firearm seasons. Note: Inline muzzleloaders are legal to use during the 10-day
muzzleloader hunt with black powder or any black powder substitutes.
Muzzleloaders may be used statewide in all areas open to hunting deer with guns.
All I have seen teaches me to trust the Creator for all I have not seen ~ Ralph Waldo Emerson