Residency is not a requirement or a grounds for denial. Sheriff's departments often issue a denial assuming it will not be appealed. You should appeal.

624.713 CERTAIN PERSONS NOT TO POSSESS FIREARMS.

Subdivision 1.Ineligible persons.The following persons shall not be entitled to possess a pistol or semiautomatic military-style assault weapon or, except for clause (1), any other firearm:

(1) a person under the age of 18 years except that a person under 18 may carry or possess a pistol or semiautomatic military-style assault weapon (i) in the actual presence or under the direct supervision of the person's parent or guardian, (ii) for the purpose of military drill under the auspices of a legally recognized military organization and under competent supervision, (iii) for the purpose of instruction, competition, or target practice on a firing range approved by the chief of police or county sheriff in whose jurisdiction the range is located and under direct supervision; or (iv) if the person has successfully completed a course designed to teach marksmanship and safety with a pistol or semiautomatic military-style assault weapon and approved by the commissioner of natural resources;

(2) except as otherwise provided in clause (9), a person who has been convicted of, or adjudicated delinquent or convicted as an extended jurisdiction juvenile for committing, in this state or elsewhere, a crime of violence. For purposes of this section, crime of violence includes crimes in other states or jurisdictions which would have been crimes of violence as herein defined if they had been committed in this state;

(3) a person who is or has ever been committed in Minnesota or elsewhere by a judicial determination that the person is mentally ill, developmentally disabled, or mentally ill and dangerous to the public, as defined in section 253B.02, to a treatment facility, or who has ever been found incompetent to stand trial or not guilty by reason of mental illness, unless the person's ability to possess a firearm has been restored under subdivision 4;

(4) a person who has been convicted in Minnesota or elsewhere of a misdemeanor or gross misdemeanor violation of chapter 152, unless three years have elapsed since the date of conviction and, during that time, the person has not been convicted of any other such violation of chapter 152 or a similar law of another state; or a person who is or has ever been committed by a judicial determination for treatment for the habitual use of a controlled substance or marijuana, as defined in sections 152.01 and 152.02, unless the person's ability to possess a firearm has been restored under subdivision 4;

(5) a person who has been committed to a treatment facility in Minnesota or elsewhere by a judicial determination that the person is chemically dependent as defined in section 253B.02, unless the person has completed treatment or the person's ability to possess a firearm has been restored under subdivision 4. Property rights may not be abated but access may be restricted by the courts;

(6) a peace officer who is informally admitted to a treatment facility pursuant to section 253B.04 for chemical dependency, unless the officer possesses a certificate from the head of the treatment facility discharging or provisionally discharging the officer from the treatment facility. Property rights may not be abated but access may be restricted by the courts;

(7) a person, including a person under the jurisdiction of the juvenile court, who has been charged with committing a crime of violence and has been placed in a pretrial diversion program by the court before disposition, until the person has completed the diversion program and the charge of committing the crime of violence has been dismissed;

(8) except as otherwise provided in clause (9), a person who has been convicted in another state of committing an offense similar to the offense described in section 609.224, subdivision 3, against a family or household member or section 609.2242, subdivision 3, unless three years have elapsed since the date of conviction and, during that time, the person has not been convicted of any other violation of section 609.224, subdivision 3, or 609.2242, subdivision 3, or a similar law of another state;

(9) a person who has been convicted in this state or elsewhere of assaulting a family or household member and who was found by the court to have used a firearm in any way during commission of the assault is prohibited from possessing any type of firearm for the period determined by the sentencing court;

(10) a person who:

(i) has been convicted in any court of a crime punishable by imprisonment for a term exceeding one year;

(ii) is a fugitive from justice as a result of having fled from any state to avoid prosecution for a crime or to avoid giving testimony in any criminal proceeding;

(iii) is an unlawful user of any controlled substance as defined in chapter 152;

(iv) has been judicially committed to a treatment facility in Minnesota or elsewhere as a person who is mentally ill, developmentally disabled, or mentally ill and dangerous to the public, as defined in section 253B.02;

(v) is an alien who is illegally or unlawfully in the United States;

(vi) has been discharged from the armed forces of the United States under dishonorable conditions; or

(vii) has renounced the person's citizenship having been a citizen of the United States; or

(11) a person who has been convicted of the following offenses at the gross misdemeanor level, unless three years have elapsed since the date of conviction and, during that time, the person has not been convicted of any other violation of these sections: section 609.229 (crimes committed for the benefit of a gang); 609.2231, subdivision 4 (assaults motivated by bias); 609.255 (false imprisonment); 609.378 (neglect or endangerment of a child); 609.582, subdivision 4 (burglary in the fourth degree); 609.665 (setting a spring gun); 609.71 (riot); or 609.749 (harassment and stalking). For purposes of this paragraph, the specified gross misdemeanor convictions include crimes committed in other states or jurisdictions which would have been gross misdemeanors if conviction occurred in this state.

A person who issues a certificate pursuant to this section in good faith is not liable for damages resulting or arising from the actions or misconduct with a firearm committed by the individual who is the subject of the certificate.

The prohibition in this subdivision relating to the possession of firearms other than pistols and semiautomatic military-style assault weapons does not apply retroactively to persons who are prohibited from possessing a pistol or semiautomatic military-style assault weapon under this subdivision before August 1, 1994.

The lifetime prohibition on possessing, receiving, shipping, or transporting firearms for persons convicted or adjudicated delinquent of a crime of violence in clause (2), applies only to offenders who are discharged from sentence or court supervision for a crime of violence on or after August 1, 1993.