Magnifying sights may be used. The use of shot is not legal. Legal muzzleloaders use flintlock or percussion cap, are loaded only through the muzzle and are not capable of firing a cartridge. If round balls are used, the minimum caliber is .530. A hunter may carry a muzzleloading handgun of any caliber as backup to a muzzleloading long gun.
All modern guns are legal for deer hunting during modern gun season with the following exceptions.
You cannot use buckshot in a .410-gauge shotgun. See illustration below. Buckshot may not be used. Muzzleloading shotguns and rifles can be used. During modern gun seasons, you can hunt with rifles, shotguns, handguns, muzzleloaders or archery equipment.