Per MSCode 97-37-1
Also Per 97-37-17.(2) It shall not be a violation of this section for any person over the age of eighteen (18) years to carry a firearm or deadly weapon concealed in whole or in part within the confines of his own home or his place of business, or any real property associated with his home or business or within any motor vehicle.
So as long as it stays in your vehicle out of sightyou should be safe.(6) It shall not be a violation of this section for any person to possess or carry, whether openly or concealed, any gun, rifle, pistol or other firearm of any kind on educational property if:
(a) The person is not a student attending school on any educational property;
(b) The firearm is within a motor vehicle; and
(c) The person does not brandish, exhibit or display the firearm in any careless, angry or threatening manner.