Miss. Code Ann. § 45-9-57: Miss. Code Ann. § 45-9-57

A county may regulate the discharge of any firearm or weapon, other than a BB gun, within any platted subdivision. However, no county may prohibit the discharge of any firearm or weapon on land, if such firearm or weapon is discharged in a manner not reasonably expected to cause a projectile from such firearm or weapon to travel across any property line without permission of the property owner.