Aggravated Discharge of a Firearm Under ILCS: Class 1 and Class X Penalties

Aggravated discharge of a firearm in Illinois, defined at 720 ILCS 5/24-1.2, is the felony of knowingly firing a gun toward another person, into a building the shooter knows or should know is occupied, or at an occupied vehicle. Penalties run from 4 to 45 years in prison depending on who was targeted and where the shooting happened. No one has to be hit, and no one has to be injured, for the offense to be complete.¹

What Counts as Aggravated Discharge

Two elements have to line up. First, the shooter must have acted knowingly or intentionally. A gun that goes off during a fall or while being cleaned does not meet that standard.¹ Second, the shot must land in one of the places the statute names.

The base version of the offense covers two situations:

Firing from outside into a building the shooter knows, or reasonably should know, is occupied. The “should know” piece matters. Lights on, cars in the driveway, voices audible from the sidewalk — those facts can satisfy the standard even if the shooter never confirmed anyone was inside.
Firing in the direction of another person, or in the direction of a vehicle the shooter knows or should know is occupied. Trajectory and proximity are what prosecutors look at. A shot into the air or well away from any person is a different question than a barrel leveled at someone.

Both base scenarios are Class 1 felonies.¹ The crime is complete the moment the rounds leave the gun in the prohibited direction, whether every shot misses by inches or by a block.

Base Penalties: Class 1 Felony

A Class 1 aggravated discharge conviction carries 4 to 15 years in prison.² Fines can reach $25,000.³

Probation is theoretically available for a first-time Class 1 case, but it disappears quickly in practice. A prior Class 1 or greater felony within the past 10 years disqualifies the defendant.⁴ So does committing the offense while already on felony probation.² Many defendants charged under this statute have prior records that take probation off the table before the judge ever considers it.

When the Charge Jumps to Class X

Two circumstances push the offense into Class X territory, with far steeper mandatory sentences and no possibility of probation.⁴

Protected Individuals

Firing at certain people, or at a vehicle the shooter knows one of them occupies, carries 10 to 45 years in prison.¹ The 10-year minimum is mandatory. Judges cannot go below it for mitigating circumstances, cooperation, or a clean prior record.

The protected categories are:

Peace officers, community policing volunteers, people summoned or directed by a peace officer, and correctional institution employees performing official duties.
Firefighters engaged in or returning from official duties.
Emergency medical services personnel on duty.
Emergency management workers engaged in those duties.
Teachers and school employees the shooter knows to be employed at a school and performing job-related duties.

The enhancement also reaches shootings meant to prevent one of these people from doing their job or carried out in retaliation for having done it. The shooter has to actually know the target’s status. A shot fired toward an off-duty firefighter the shooter did not recognize as such would not trigger the enhanced charge, though the base offense still applies.

School Zones

Any base aggravated discharge committed within 1,000 feet of school property, a school-related activity, or a vehicle a school uses to transport students becomes a Class X felony.¹ Time of day and time of year do not matter. A shooting near a school building at 2 a.m. on a Saturday in July counts the same as one during a weekday lunch hour.

The school-zone Class X carries the standard Class X range of 6 to 30 years, with extended terms reaching 30 to 60 years.⁵ That is a 6-year floor rather than the 10-year floor that applies when the target is a protected individual. Both are serious; the difference matters at sentencing.

How Much Time Is Actually Served

Illinois truth-in-sentencing rules specifically name aggravated discharge of a firearm. A person convicted of this offense earns no more than 4.5 days of sentence credit per month, which works out to roughly 85% of the sentence served in custody.⁶ A 15-year sentence translates to about 12 years and 9 months behind bars. A 10-year sentence runs about 8 and a half.

Release does not end the sentence. A Class X conviction carries three years of mandatory supervised release, Illinois’s equivalent of parole.⁵ Conditions typically include check-ins, geographic restrictions, and a bar on firearm possession, and violations can send a person back to prison.

Loss of Firearm Rights

A felony conviction is automatic grounds for revocation of an Illinois FOID card. State police require the holder to surrender the card and complete a Firearm Disposition Record documenting the transfer of any firearms within 48 hours of revocation.⁷

Federal law reaches further. Under 18 U.S.C. § 922(g)(1), anyone convicted of a crime punishable by more than one year in prison is barred for life from possessing, shipping, or receiving any firearm or ammunition.⁸ Because even the base Class 1 version of aggravated discharge carries up to 15 years, every conviction under this statute triggers that federal ban. A violation is itself a federal felony, and federal sentencing data shows an average prison term of about 71 months for illegal possession by a prohibited person.⁹

1
Illinois General Assembly. 720 ILCS 5/24-1.2 – Aggravated Discharge of a Firearm
2
Illinois General Assembly. 730 ILCS 5/5-4.5-30 – Class 1 Felonies; Sentence
3
Illinois General Assembly. 730 ILCS 5/5-4.5-50 – General Recidivism Provisions
4
Illinois General Assembly. 730 ILCS 5/5-5-3 – Disposition
5
Illinois General Assembly. 730 ILCS 5/5-4.5-25 – Class X Felonies; Sentence
6
Illinois General Assembly. 730 ILCS 5/3-6-3 – Rules and Regulations for Sentence Credit
7
Illinois State Police. FOID Court Ordered Relief Required
8
Office of the Law Revision Counsel. 18 USC 922 – Unlawful Acts
9
United States Sentencing Commission. Section 922(g) Firearms