Manslaughter with a Weapon or Firearm The crime of Manslaughter with a Weapon or Firearm is classified as a First Degree Felony and is assigned a Level 7 offense severity ranking under Florida's Criminal Punishment Code. If convicted of Manslaughter, a judge is required to impose a minimum prison sentence of 9¼ years in prison and can impose any additional combination of the following penalties: •Up to 30 years in prison. •Up to 30 years of probation. •Up to $10,000 in fines.