Possession of silencer. (1) A person commits the offense of possession of a silencer if the person possesses, manufactures, transports, buys, or sells a silencer and has the purpose to use it to commit an offense or knows that another person has such a purpose.
(2) A person convicted of the offense of possession of a silencer is punishable by imprisonment in the state prison for a term of not less than 5 years or more than 30 years or by a fine of not less than $1,000 or more than $20,000, or both.
and with
45-8-337 stating: Possession of unregistered silencer or of bomb or similar device prima facie evidence of unlawful purpose. Possession of a silencer that is not registered under federal law or of a bomb or similar device charged or filled with one or more explosives is prima facie evidence of a purpose to use the same to commit an offense.