Miss. Code Ann. § 41-29-152: Miss. Code Ann. § 41-29-152

(1) Any person who violates Section 41-29-313 or who violates Section 41-29-139 with reference to a controlled substance listed in Schedule I, II, III, IV or V as set out in Sections 41-29-113 through 41-29-121, Mississippi Code of 1972 , inclusive, and has in his possession any firearm, either at the time of the commission of the offense or at the time any arrest is made, may be punished by a fine up to twice that authorized by Section 41-29-139 or 41-29-313 , or by a term of imprisonment or confinement up to twice that authorized by Section 41-29-139 or 41-29-313 , or both.

(2) “ Firearm ” means any weapon, including a starter gun, which will or is designed to or may readily be converted to expel a projectile by the action of an explosive.