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Florida Criminal Offense

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.

Felony or MisdemeanorVaries

Florida Statute

§ 790.27

Alteration or removal of firearm serial number

View Official Florida Statute

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)

FelonyThird Degree

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)

MisdemeanorFirst Degree

Knowingly possessing, selling, or delivering a firearm whose serial number was unlawfully altered or removed.

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.

  1. Element 1
    AND — 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.

  2. Element 2
    Conditional

    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.

  3. Element 3
    OR — 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

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 Instruction

Verified against the official instruction source: September 13, 2026

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

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.