Department of the Interior

Departmental Manual
Effective Date: 10/4/00
Series: Law Enforcement and Security
Part 446: Law Enforcement
Chapter 10: Firearms and Other Defensive Equipment
Originating Office: Office of Managing Risk and Public Safety
446DM10

10.1 Purpose. This chapter establishes uniform policy concerning the standardization and use
of firearms and other defensive equipment by all employees of the Department of the Interior
(Department) who are engaged in law enforcement duties.
10.2 Policy. All persons engaged in law enforcement activities shall be properly trained, armed
and equipped. Law enforcement officers will responsibly and discriminately use firearms and
other defensive equipment in the performance of their duties. Every law enforcement officer is
accountable for his/her actions.
10.3 Guidelines. The following guidelines shall be adhered to:
A
The Department shall establish the minimum standards for law enforcement
equipment (see 446 DM 12). Equipment within each bureau/office shall be standardized to the
extent feasible, except where special purposes require deviations. Only Government-issued
and/or bureau/office-approved firearms and other defensive equipment shall be carried or worn
while on duty. Government-issued firearms and other defensive equipment may not be possessed
or used by an unauthorized person.
B.
Each bureau/office shall ensure that each law enforcement officer receives, at least,
the minimum standard issue oflaw enforcement equipment (see 446 DM 12). Each bureau/office
shall establish necessary defensive equipment standards and specify the type of defensive
equipment to be used by its law enforcement officers.
C.
Only the minimal force necessary to effect and maintain public order, protect human
life or property, and/or arrest shall be used.
(1) Except for legitimate wildlife management or training purposes, the discharge
of a firearm, (the use of deadly force) is used only when necessary, that is, when the officer has
an objectively reasonable belief, in light of the facts and circumstances confronting the officer, that
the subject of such force poses an imminent danger of death or serious injury to the officer or to
another person. (See 446 DM 20).

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(2)

The firing of warning shots is not permitted. (See 446 DM 20).

(3)

Weapons may not be fired solely to disable a vehicle. (See 446 DM 20).

D.
Each law enforcement officer shall report the loss of any firearm and/or other
defensive equipment as soon as possible. Each law enforcement officer is responsible for
ensuring the security of his/her assigned firearm and other defensive equipment while on or off
duty. All defensive equipment should be afforded the same degree of security as the firearm.
Any law enforcement officer who loses any equipment or issued property of any type through
carelessness may be deemed guilty of negligence.
10.4 Authority to Carry Firearms.
A.
Authorizing Official. In accordance with statutory authority and established
guidelines, the Secretary of the Interior may authorize designated Departmental employees to
carry firearms. For the efficiency of operations and maintenance of proper records, this authority
to designate employees to carry firearms may be delegated to bureau/office heads or their
designated representatives.

B.
Employees Permitted to Carry Firearms. Only Departmental law enforcement
officers are authorized to carry firearms for law enforcement purposes. Law enforcement
trainees without commissions may carry weapons only during authorized training exercises.
Bureaus/offices may promulgate policy permitting employees who are not law enforcement
officers to carry firearms for purposes other than law enforcement when functions or
circumstances related to their official duty necessitate such action.

10.5 Carrying Firearms. Law enforcement officers of the Department are authorized to carry
firearms, in accordance with Federal and State laws, regulations, and policies of their
bureau/office. No firearm other than Government-issued will be carried while on official duty
except upon written authorization from the bureau/office head. Such authorization shall include
the firearm serial number and a description of the handgun. The authorization will be recorded in
the appropriate bureau/office files pertaining to the officer to whom such authorization is given.
Law enforcement officers must qualify with all firearms which they are authorized to carry.
A.
When performing law enforcement duties in uniform, law enforcement officers will
carry firearms.

B.
It shall be Departmental policy to carry and/or transport firearms and other defensive
equipment aboard aircraft in accordance with Federal Aviation Regulations.

10.6 Types of Firearms.
A.
Bureaus/offices will specify and standardize the type of firearms and ammunition to be
used by law enforcement officers of that bureau/office (see 446 DM 12).

B.

Bureau/office will establish supplemental guidelines covering automatic weapons,

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which shall be subject to the approval of the Director, Office of Managing Risk and Public Safety
(MRPS).
C.
Compliance with the specifications and competitive acquisition standards delineated in
the Federal Acquisition Regulations (FAR Parts 6, 10 and 11) will be adhered to in establishing
firearms standards.
The following standards are established for routine law enforcement services.
Bureaus/offices may deviate from these standards when circumstances warrant use of other
specialized equipment. Such deviations will be reported in writing to the Director, MRPS, and
will be concurred with by the bureau/office procurement officials.
D.

( 1)

Handguns.

(a) For law enforcement purposes, each bureau/office may issue or authorize
the purchase or carrying of firearms conforming to bureau/office specifications.
(b) No revolver or pistol chambered for ammunition of diameter less than
.355 caliber is authorized. Authorized firearms will conform to bureau/office specifications.
(2)

Shotguns. Riot type with rifle sights, 12 gauge, 18-20 inch barrel, with twin

slide bar.
(3) Rifles. The make, model, and caliber to be determined according to the needs
of the bureau/office and approved by the bureau/office head.
(4)

Ammunition.

(a) Handgun/Rifle - only new, commercially manufactured cartridges will be
used for qualification and duty use. The bullet weight and style will be at the discretion of the
bureau/office according to need.
(b) Shotgun - No smaller than number 4 buckshot or rifled slug. Only new,
commercially manufactured cartridges will be used for qualification and duty use.
10.7 Required Qualifications.

A
Proficiency Training. Prior to initial proficiency certification by a qualified instructor
(see paragraph 10.7B(2), below), all Departmental employees authorized to carry firearms and
other defensive equipment will be required to receive a minimum of 4 hours classroom training in
safety, handling or firing. The training also includes the legal and moral aspects of the use of all
types of firearms and other defensive equipment which they will be authorized to carry. This
training shall be relevant to the employee's assignment. Evidence of this training shall be
documented by a qualified instructor who is certified to instruct others on the proper use of the
types of firearms and/or defensive equipment which will be carried by the employee.

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B.
Qualifications. All law enforcement officers authorized to carry firearms shall
qualify at least semiannually, participating in an approved course of fire, with any and all
Departmental-issued and/or approved personally-owned firearms, carried with the concurrence of
the bureau/office. Departmental law enforcement officers must attain a score of 70 percent or
more with each firearm they are authorized to carry.

(1) Minimum Qualifying Score. All bureaus/offices will require a score of 70
percent or more as the basic score for certification as proficient in the use of firearms. A score of
less than 70 percent shall be considered unsatisfactory for purposes of the required semiannual
firearms qualification. All firearms qualifications shall be conducted and documented by a
qualified firearm instructor. The documentation shall be recorded in the employee's training
records. Any person who fails to qualify with his/her primary handgun which he/she has been
issued or authorized to carry may not perform any law enforcement duties which may require the
carrying of a firearm. Any person who fails to qualify with any other firearm (i.e., rifle, shotgun,
or any special firearm) may not perform law enforcement duties which require the carrying of that
firearm and may not continue to carry that firearm until he/she is able to qualify and meet the
minimum standards.
(2) Firearms Instructors. All firearms training shall be conducted and supervised
by qualified firearms instructors. Firearms instructors, so designated by bureaus/offices within
the Department, will be trained and certified according to standards established and approved by
the Federal Law Enforcement Training Center (FLETC) or the Federal Bureau oflnvestigation
(FBI). However, if no instructors with these certifications are available, an instructor certified by
the State in which the firearms training is being conducted may supervise the employee's
participation in a course of firearms approved by the Director, MRPS. Courses and training
presented by other Federal agencies may be substituted, pending the approval of the Director,
MRPS.
10.8 Actions to be Taken When Firearms Are Discharged. The following guidelines shall be
followed whenever a law enforcement officer discharges a firearm, except during firearm training
or legitimate wildlife management:
A.
Each law enforcement officer who discharges his/her firearm will report the incident
to his/her supervisor as soon as possible. A firearm may be discharged only as a last resort and
when, in the considered opinion of the officer, there is imminent danger of death or serious injury
to the law enforcement officer or to another person.

B.
Upon notification that a firearm has been discharged, without injury to any person, a
law enforcement supervisor will investigate the incident and submit a written report of his/her
findings and recommendations, through appropriate channels, to the bureau/office's Senior Law
Enforcement Official.

C.
A report of the discharge of a firearm by an employee at an individual will follow
prescribed procedures for Serious Incident Reporting (see 446 DM 17).
D.

Upon notification that a law enforcement officer has caused injury or death with a

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firearm, the person with designated responsibility will place the officer on administrative leave or
assign the officer to administrative or non-law enforcement duties, pending a thorough
investigation of all circumstances surrounding the incident by the appropriate law enforcement
official, as determined by each bureau/office. A report of the investigation will be forwarded to
the bureau/office Senior Law Enforcement Official, who will determine what action will be taken
and forward his/her recommendations to the bureau/office head. A report of the incident will
follow prescribed procedures for Serious Incident Reporting (see 446 DM 17).
E.
Where the incident involves injury or death to a person, the bureau/office Senior Law
Enforcement Official will promptly, through appropriate channels, notify the Director, MRPS.
F.
Each bureau/office will establish procedures to provide a law enforcement officer who
has been involved in any significant traumatic incident with counseling to assist the officer with
possible after effects of the incident.
10.9 Use of Defensive Weapons. Defensive weapons may be used to gain control of an
individual or group of individuals, or to effect an arrest, or to ensure the protection of the public,
the law enforcement officer, and/or any arrestee. For the purpose of this chapter, the term "use"
as applied to a firearm or any defensive equipment means the display, pointing or discharging at
an individual. Bureaus/offices shall develop defensive weapons guidelines to ensure that law
enforcement officers are properly trained and certified in the use of the defensive weapons they
are authorized to carry. If the use of the defensive weapon results in serious injury or death, a
report of the circumstances of the incident will follow prescribed procedures for Serious Incident
Reporting (see 446 DM 17).
10.10 Use of Chemical Agents. Chemical agents should be used only when, in the opinion of
the person using them, it is necessary to gain control of an individual or group of individuals or to
effect an arrest; or to ensure the protection of the public or law enforcement officer(s), or any
arrestee(s); or to apprehend dangerous violators of the law or persons who present a danger to
themselves or others. Care should be taken to afford first aid to any person upon whom chemical
agents have been used. Circumstances surrounding the use of a chemical agent should be
reported to the law enforcement officer's supervisor as soon as possible. If the use of the
chemical agent results in serious injury or death, a report of the circumstances of the incident will
follow prescribed procedures for Serious Incident Reporting. Chemical agents should be
replaced every 4 years or as recommended by the manufacturer. Disposal of the chemical agents
shall be in accordance with prescribed environmental procedures.
10.11 Actions to be Taken When Force is Used.

A

Only the minimal force necessary to effect and maintain public order, protect human
life or property, and/or arrest shall be used.
It will be the responsibility of each law enforcement officer to report to his/her
B.
supervisor, as soon as possible, the use of force against a person.

C.

The supervisor shall investigate the occurrence and forward through channels a

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written report, including recommendations, to the bureau/office Senior Law Enforcement Official.
If the use of the force results in serious injury or death, a report of the circumstances
D.
of the incident will follow prescribed procedures for Serious Incident Reporting (see 446 DM 17).

E.
Whenever the use of force results in serious injury or death, the officer involved shall
be immediately placed on administrative leave or assigned to non-law enforcement duty.
10 .12 Inspection of Firearms and other Defensive Weapons. All firearms and other
defensive equipment shall be inspected on a yearly basis and, more frequently, if required, to
ensure that all items are serviceable and being properly maintained. All government-issued
firearms and other defensive equipment found to be in need of repair will be immediately replaced.
Each bureau/office will establish written procedures and guidelines for the inspection and
servicing of firearms and other defensive equipment, including, at least, an annual inspection.
The appropriate records shall be maintained.
10.13 Boards oflnquiry.

A

Each bureau/office will establish a Board oflnquiry to review incidents concerning:
( 1)

The discharge of a firearm by a law enforcement officer at another individual,

(2) The use of force by a law enforcement officer that results in the death or serious
injury of another individual,
(3)

Any incident that results in the death or serious injury of a law enforcement

officer, or
(4)
Administrator.

Any incident deemed appropriate for review by the Law Enforcement

B.
Each bureau/office shall ensure that the Board oflnquiry is authorized as the proper
authority to complete the board's mission. The Board oflnquiry shall analyze all factors relating
to the incident and shall prepare a report of its review and findings that will provide an analysis of
the incident, any conclusions derived from the facts presented, suggest corrective actions, or make
recommendations in an attempt to prevent the recurrence of a similar incident or improve the
handling of future incidents.
10/4/00 #3335
Replaces 9/21/93 #446-1

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