Declares that it is unlawful to use a firearm on department of fish and wildlife lands under certain circumstances.

Authorizes the department of fish and wildlife to prohibit the discharge of firearms on portions of any land managed by the department, either indefinitely or for set periods of time, only if the prohibition is necessary for wildlife or resource management but not to prohibit the discharge of firearms solely based on a firm distance measurement from a set location.

Provides that the fish and wildlife commission may not prohibit a person from carrying or possessing a firearm on any portion of land under the ownership, management, lease, or control of the department, or from discharging the firearm for the protection of the person or another, if the person is otherwise legally entitled to possess, carry, or discharge the firearm.