Is it legal to carry an expandable baton in the state of Minnesota?

The quick answer is no. You may obtain a permit which allows you to carry a concealed hand gun in mn. But that permit does not give you the right to carry any other weapons of any kind. You may purchase a expandable baton. You may purchase a taser. You may purchase a can of pepper spray or tear gas. You may even purchase a switch blade knife. But you may not carry any of these objects as a concealed weapon. It is illegal in the state of mn. To carry a concealed weapon of any kind without a permit. How do the police know if you are carrying a concealed weapon? If you use it as a weapon! Simple. If you get arrested, or stopped for any reason and they find it on your person, concealed, they assume you are concealing it to use as a weapon. So if you don't use it as a weapon, you are good. If you don't carry it as a weapon you are good. Other states have very different laws. Florida concealed carry permits apply to knives, batons, mace, and other concealable weapons. If you have a permit to carry a gun, you have a permit for all. Minnesota however is very very different. Always check with loca l.e.o. For your local laws and statutes.