Mississippi Administrative Code
Title 31 - Public Safety
Part 2 - CRIMINAL INFORMATION CENTER ADMINISTRATIVE CODE
Chapter 13 - Silencer Registration
Rule 31-2-13.1 - Silencer Registration Policy

1. All instruments or devices which, if used on firearms of any kind, will arrest or muffle the report of that firearm when it is shot or fired, or armor piercing ammunition, as defined by federal law, must be registered with the Department of Public Safety. Any law enforcement agency which possesses any of these instruments or devices must submit an annual inventory of them to DPS.

2. The law further states that it is unlawful for any person, persons, corporation, or manufacturing establishment which is not authorized by federal law to make, manufacture, sell or possess any such instrument or armor piercing ammunition.