Mississippi Code Title 47. Prisons and Prisoners; Probation and Parole § 47-7-3.2

(a) Twenty-five percent (25%) or ten (10) years, whichever is less, for a nonviolent crime;

(b) Fifty percent (50%) or twenty (20) years, whichever is less, for a crime of violence pursuant to Section 97-3-2, except for robbery with a deadly weapon as defined in Section 97-3-79, drive-by shooting as defined in Section 97-3-109, or carjacking as defined in Section 97-3-117;

(c) Sixty percent (60%) or twenty-five (25) years, whichever is less, for robbery with a deadly weapon as defined in Section 97-3-79, drive-by shooting as defined in Section 97-3-109, or carjacking as defined in Section 97-3-117.

(a) Offenders sentenced to life imprisonment;

(b) Offenders convicted as habitual offenders pursuant to Sections 99-19-81 through 99-19-87;

(c) Offenders serving a sentence for a sex offense; or

(d) Offenders serving a sentence for trafficking pursuant to Section 41-29-139(f).