Altered or Removed Firearm Serial Number
Altering or removing a firearm serial number with intent to disguise identity, or knowingly possessing, selling, or delivering a firearm whose serial number was unlawfully altered or removed.
Florida Statute
§ 790.27
Alteration or removal of firearm serial number
Verified against the 2026 Florida Statutes: September 13, 2026
Quick Summary
The alteration/removal track is a third-degree felony. The possession, sale, or delivery track is a first-degree misdemeanor. Antique firearms are excepted.
Classification Matrix
Use this as a quick classification reference. Specific facts, statutory circumstances, and charging allegations may affect the applicable result.
Alteration or Removal With Intent To Disguise
F.S. § 790.27(1)
Knowingly altering or removing a firearm serial number with intent to disguise the firearm's true identity.
Knowing Possession, Sale, or Delivery
F.S. § 790.27(2)
Knowingly possessing, selling, or delivering a firearm whose serial number was unlawfully altered or removed.
Elements of the Offense
Elements of the Offense
Elements marked AND are cumulative. Elements marked OR identify statutory alternatives; one applicable alternative must be established when that theory is charged. Conditional elements apply only to the identified statutory track.
- Element 1AND — Required
Alteration/removal track — required
For the alteration/removal track, the defendant knowingly altered or removed the manufacturer's or importer's serial number from a firearm.
Plain language: The defendant knowingly changed or removed the firearm's serial number.
- Element 2Conditional
Alteration/removal track — also required
For the alteration/removal track, the defendant acted with intent to disguise the firearm's true identity.
Plain language: The serial-number alteration or removal was intended to conceal the firearm's identity.
- Element 3OR — Alternative
Possession / sale / delivery track — one applicable alternative
For the possession, sale, or delivery track, the defendant knowingly sold, delivered, or possessed a firearm whose manufacturer's or importer's serial number had been unlawfully altered or removed.
Plain language: The defendant knowingly possessed, sold, or delivered a firearm with an unlawfully altered or removed serial number.
Jury Instructions
Jury Instructions
Instruction 10.18
Altering or Removing Firearm Serial Number; Possession, Sale, or Delivery of Firearm With Serial Number Altered or Removed
Florida Standard Jury Instruction for the applicable F.S. § 790.27 track.
View Official InstructionVerified against the official instruction source: September 13, 2026
Important Definitions
Important Definitions
Firearm
A firearm includes a weapon that will, is designed to, or may readily be converted to expel a projectile by the action of an explosive, along with the statutory included items and exclusions.
Additional Notes
Additional Notes
Quick Reference
Separate the felony alteration/removal-with-intent track from the misdemeanor knowing possession, sale, or delivery track. Confirm whether the firearm is an antique firearm, which the statute excludes.