Amends the Criminal Code of 2012 and the Unified Code of Corrections. Provides that certain offenses for which the use of a firearm requires the court to add 15 years, 20 years, or 25 years or up to a term of natural life to the sentence, makes the additional sentences discretionary with the court. Deletes provisions that permit the court in those cases to impose a term of natural life imprisonment upon the defendant. Provides that the court may impose the additional sentences only if the defendant was personally armed with the firearm and was personally displaying the firearm.