ARMS ROOM AND WEAPONS MAINTENANCE STANDARD OPERATING PROCEDURE

176th Engineer Brigade (TXARNG)

Administrative Data

1. PURPOSE

This SOP establishes brigade maintenance policy, minimum standards, responsibilities, inspection requirements, maintenance management procedures, and Command Maintenance Discipline Program (CMDP) requirements for weapons systems, optics, night vision devices (NVDs), laser aiming devices, fire control systems, and associated ancillary equipment maintained within unit arms-room workspaces. Units conduct maintenance in arms-room workspaces under AR 190-11 and the commander-approved physical-security plan.

Unit commanders publish unit standard operating procedures that spell out the specific procedures, appointments, records practices, training, supervision, and execution controls through which their units fulfill each applicable requirement of this brigade SOP.

2. APPLICABILITY

This SOP applies to all battalions, companies, detachments, staff sections, and personnel assigned or attached to the 176th Engineer Brigade responsible for:

• Weapons maintenance
• Sensitive item maintenance
• Optics maintenance
• NVD maintenance
• Laser aiming device maintenance
• Weapons records management
• Maintenance supervision
• CMDP inspections
• Maintenance readiness reporting

Assigned personnel

Personnel assigned a weapon or ancillary equipment conduct PMCS and operator-level maintenance on that assigned equipment IAW applicable TMs and unit procedures.

Arms room maintenance representative

Across brigade units it is understood that commanders frequently appoint the unit armorer from personnel whose duties include unit supply operations (including AGR supply clerks and other full-time support clerks) when qualified and available. The arms room maintenance representative is the Soldier the commander appoints in writing as armorer to run the unit arms-room maintenance program under this publication (scheduled services, arms-room maintenance records, gauging and higher-level maintenance tasks as authorized by TM and MAC, fault coordination, and evacuation or shop support).

3. REFERENCES

• AR 750-1, Army Materiel Maintenance Policy
• DA Pam 750-8, The Army Maintenance Management System (TAMMS) Users Manual
• AR 385-10, The Army Safety and Occupational Health Program
• AR 25-400-2, Army Records Management Program
• AR 190-11, Physical Security of Arms, Ammunition, and Explosives
• Applicable Technical Manuals (TMs)
• Applicable Lubrication Orders (LOs)
• Applicable Maintenance Allocation Charts (MACs)
• Applicable weapon system technical bulletins
• Applicable safety of use messages

4. COMMAND POLICY

Commanders will establish and maintain weapons maintenance programs that ensure assigned weapons systems and associated equipment are maintained to technical standard and support mission readiness requirements.

Commanders will ensure:

• Weapons are maintained to TM standard
• Faults are identified and corrected promptly
• PMCS is conducted and documented
• Required services are completed within prescribed intervals
• Maintenance records are accurate and current
• Deadlined equipment is properly identified and controlled
• Calibration requirements are monitored and maintained
• Optics and NVDs are protected from environmental damage
• Maintenance deficiencies identified during CMDP inspections are corrected
• Arms room environmental conditions support long-term preservation of assigned equipment
• Personnel conducting maintenance are trained
• Maintenance operations comply with safety requirements

5. RESPONSIBILITIES

5.1 Brigade Commander

The Brigade Commander will:

• Establish brigade maintenance policy
• Enforce CMDP standards throughout subordinate units
• Review maintenance readiness trends
• Ensure subordinate commanders maintain effective weapons maintenance programs
• Direct corrective actions for systemic maintenance deficiencies

5.2 Battalion Commanders

Battalion commanders will:

• Establish battalion maintenance oversight procedures
• Conduct maintenance program assessments
• Ensure subordinate companies maintain compliant maintenance programs
• Monitor CMDP trends and corrective actions
• Ensure maintenance deficiencies are corrected

5.3 Company Commanders

Company commanders will:

• Publish unit weapons and ancillary-equipment maintenance procedures that implement this brigade standard and align with the commander-approved physical-security plan for arms-room workspaces
• Appoint armorers in writing as arms room maintenance representatives for procedures in this SOP
• Establish procedures for maintenance inspections IAW intervals prescribed by applicable TMs and MACs
• Establish maintenance fault reporting procedures
• Establish procedures for weapons services IAW intervals and triggers prescribed by applicable TMs and MACs
• Establish cleaning and lubrication standards
• Establish optics and NVD maintenance procedures
• Establish battery accountability and storage procedures
• Establish maintenance records management procedures
• Establish TMDE accountability and calibration tracking procedures
• Establish procedures for maintenance evacuation and turn-in
• Establish procedures for weapons deadlining
• Establish procedures for maintenance safety
• Establish procedures for operator-level PMCS
• Establish continuity procedures for maintenance programs during personnel turnover

5.4 Executive Officers

Executive Officers will:

• Supervise unit maintenance programs
• Monitor maintenance readiness
• Track maintenance deficiencies
• Monitor work order status
• Validate corrective actions
• Monitor CMDP corrective action programs
• Ensure required maintenance records are maintained

5.5 Arms room maintenance representative

The arms room maintenance representative will:

• Conduct maintenance in accordance with applicable TMs
• Maintain arms room maintenance records
• Maintain weapons service tracking and completion documentation against intervals prescribed by applicable TMs and MACs
• Maintain weapons historical records as required
• Identify and report faults
• Ensure deadlined weapons are properly tagged and segregated
• Ensure required cleaning and lubrication is completed
• Maintain accountability of gauges, tools, and ancillary equipment
• Monitor environmental conditions within the arms room
• Monitor corrosion prevention measures
• Coordinate maintenance support requirements

5.6 Operators

Operators are personnel assigned weapons or ancillary equipment. Operators will:

• Perform PMCS on assigned weapons and ancillary equipment before, during, and after operation
• Clean assigned weapons to TM standard
• Report deficiencies immediately
• Maintain assigned optics and accessories
• Comply with weapons maintenance safety procedures
• Ensure assigned equipment remains serviceable

6. WEAPONS MAINTENANCE PROGRAM

6.1 General

Units will establish weapons maintenance programs for all assigned:

• Individual weapons
• Crew-served weapons
• Mounted weapons systems
• Grenade launchers
• Optics
• Thermal devices
• NVDs
• Laser aiming devices
• Fire control systems
• Ancillary weapons equipment

All maintenance actions will be performed in accordance with applicable TMs and MACs.

6.2 Preventive Maintenance Checks and Services

Units will establish PMCS procedures addressing:

• Before operations checks
• During operations checks
• After operations checks
• Scheduled inspections
• Cleaning procedures
• Lubrication procedures
• Corrosion inspections
• Function checks
• Bore inspections
• Component inspections
• Optics inspections
• Mount inspections

PMCS deficiencies will be documented on required maintenance forms or GCSS-Army maintenance records.

6.3 Weapons Services

Applicable TMs, MACs, Army regulations, and mandatory maintenance directives prescribe service intervals and due triggers (calendar dates, rounds fired, operating hours, storage duration, events such as barrel repair or optics disturbance). Units incorporate those prescribed requirements into procedures that describe how work is scheduled, assigned, executed IAW TM, verified, and recorded.

Units execute weapons services within prescribed intervals for categories addressed by assigned publications, including:

• Cyclic services — Servicing tied to usage counts, operating hours, or calendar milestones stated in the TM or MAC (for example, round-count or hour-threshold services).
• Annual inspections — Recurring inspections whose timing and acceptance criteria are stated in the TM, MAC, or other mandatory maintenance publication for that equipment.
• Gauging requirements — Measurements at TM-stated intervals using TM-specified gauges so wear stays within allowable limits.
• Headspace and timing inspections — Crew-served procedures performed before firing after barrel or breech group maintenance and at TM-stated intervals so breech relationship and firing pin timing remain within specification.
• Boresight verification — Zero confirmation after optics mounting changes, strikes or shifts of sights or mounts, or whenever the TM requires verification before live fire or qualification.
• Calibration verification — Gauge and TMDE readings kept valid by executing calibration checks on schedules prescribed by calibration procedures, technical bulletins, or publications cited by the TM for that maintenance task.
• Component replacement schedules — Replacement of life-limited parts at thresholds stated in the TM or MAC (for example, springs, extractors, or buffers at prescribed round counts or service events).
• Preservation inspections — Inspection frequency and acceptance criteria taken from TM preservation and storage guidance for weapons or assemblies in long-term storage.

Weapons exceeding prescribed service intervals will be identified and corrected.

6.4 Headspace and Timing

Units maintaining crew-served weapons requiring headspace and timing procedures will establish:

• Inspection procedures
• Validation procedures
• Gauging procedures
• Documentation procedures
• Training requirements
• Supervision requirements
• Safety procedures

Units will maintain current calibration records for all gauges and TMDE associated with headspace and timing procedures.

6.5 Fault Identification and Deadlining

Units will establish procedures for:

• Fault identification
• Fault classification
• Deadline determination
• Deadline tagging
• Work order generation
• Maintenance evacuation
• Controlled exchange coordination
• Follow-up maintenance tracking

Weapons determined to be non-mission capable or unsafe will be removed from service.

Deadlined weapons will be clearly identified and segregated from operational weapons.

7. OPTICS, NVD, AND LASER MAINTENANCE

7.1 General

Units will establish maintenance procedures for all assigned optics, NVDs, thermal devices, and laser aiming devices.

Maintenance programs will address:

• Cleaning
• Inspection
• Functional testing
• Battery management
• Environmental protection
• Storage
• Corrosion prevention
• Calibration
• Accountability
• Deadlining procedures

7.2 Battery Management

Units will establish battery management procedures addressing:

• Approved battery types
• Battery storage
• Battery inspection
• Expired battery disposal
• Battery leakage response
• Removal of batteries during long-term storage
• Lithium battery safety procedures

Leaking or damaged batteries will be removed immediately.

Damaged battery compartments will be reported and inspected.

7.3 Storage Requirements

Units will establish storage procedures addressing:

• Temperature control
• Humidity control
• Moisture prevention
• Dust prevention
• Lens protection
• Light protection for NVDs
• Secure staging and protective packaging during maintenance and in storage IAW TM and unit procedures
• Sensitive item accountability

Optics and NVDs will be stored in protective containers when not in operational use.

8. MAINTENANCE RECORDS MANAGEMENT

8.1 General

Units will maintain maintenance records in accordance with DA Pam 750-8 and ARIMS requirements.

8.2 Required Records

Units will maintain applicable:

• DA Form 2404
• DA Form 5988-E
• DA Form 2408-4
• Calibration records
• Service schedules
• Work orders
• Historical maintenance records
• Inspection records
• CMDP corrective action records
• TMDE records
• Boresight records
• Headspace and timing records

8.3 GCSS-Army Maintenance Records

Units utilizing GCSS-Army will ensure:

• Faults are entered accurately
• Work orders are tracked
• Services are documented
• Deadline status is accurate
• Serialized equipment is tracked correctly
• Maintenance statuses are current

9. CMDP REQUIREMENTS

Units will maintain a CMDP-compliant weapons maintenance program.

CMDP inspection programs will evaluate:

• PMCS compliance
• Maintenance records accuracy
• Service compliance
• TM compliance
• Work order management
• Fault correction timeliness
• Optics maintenance procedures
• NVD maintenance procedures
• Battery management procedures
• Calibration compliance
• Headspace and timing compliance
• Corrosion prevention measures
• Arms room environmental conditions
• Maintenance safety procedures
• Operator maintenance proficiency

Units will maintain corrective action tracking procedures for all CMDP deficiencies.

10. SAFETY

10.1 General

Weapons maintenance operations will comply with AR 385-10 safety requirements.

10.2 Weapons Clearing Procedures

Units will establish procedures for:

• Weapons clearing
• Clearing barrel usage
• Ammunition segregation
• Misfire procedures
• Hangfire procedures
• Function testing
• Dry-fire procedures

Weapons will be cleared before maintenance is performed.

10.3 Maintenance Safety

Units will establish safety procedures addressing:

• Solvent handling
• Lubricant handling
• PPE requirements
• Ventilation requirements
• Battery hazards
• Laser hazards
• Electrical hazards
• Fire prevention
• Tool accountability
• TMDE safety

11. INSPECTIONS

Commanders will establish inspection programs addressing:

• Daily inspections
• Weekly inspections
• Monthly inspections
• Cyclic inspections
• CMDP inspections
• Sensitive item inspections
• Maintenance records inspections
• Calibration inspections
• Environmental inspections
• Safety inspections

Inspection deficiencies will be documented and corrected.

12. TRAINING

Units will establish training programs addressing:

• PMCS procedures
• Cleaning procedures
• Lubrication procedures
• Fault identification
• Headspace and timing
• Optics maintenance
• NVD maintenance
• Laser safety
• Battery safety
• Maintenance records procedures
• GCSS-Army procedures
• CMDP standards
• Maintenance safety

Training will be documented and maintained on file.

13. RECORDS RETENTION

Maintenance records will be maintained and disposed of in accordance with AR 25-400-2 and applicable records retention schedules.

14. COMMANDER SOP DEVELOPMENT QUESTIONS

Commanders will address the following questions when developing unit arms room and weapons maintenance SOPs:

14.1 Program Management

• Who is designated as the arms room maintenance representative (appointed armorer) in orders?
• How does each Soldier assigned equipment conduct PMCS and document deficiencies?
• Who supervises the unit weapons maintenance program?
• Who maintains the arms room maintenance records?
• Who validates maintenance completion?
• Who reviews the program during command inspections?
• Who tracks CMDP deficiencies and corrective actions?

14.2 Weapons Maintenance

• What weapons systems are assigned to the unit?
• What TMs apply to each assigned weapon system?
• What PMCS procedures apply to each weapon system?
• What services are required for each weapon system?
• Which TM or MAC prescribes inspection intervals for each weapon system?
• What cleaning and lubrication standards apply?
• What procedures identify and correct corrosion?

14.3 Headspace, Timing, Gauging, and TMDE

• Which assigned weapons require headspace and timing?
• Which assigned weapons require gauging?
• What gauges are required?
• Who is authorized to perform gauging?
• How are calibration dates tracked?
• Where are gauges stored?
• How are overdue or uncalibrated gauges controlled?
• How are results documented?

14.4 Optics, NVDs, Lasers, and Fire Control Systems

• What optics, NVDs, lasers, and fire control systems are assigned?
• What TMs apply to each item?
• What batteries are authorized?
• How are batteries stored?
• When are batteries removed?
• How is battery leakage handled?
• How are lenses cleaned?
• How are devices protected from moisture, dust, heat, and light exposure?
• How are faults identified and reported?
• How are devices evacuated for maintenance?

14.5 Records Management

• Where are weapons maintenance records maintained?
• Who enters faults into GCSS-Army?
• Who reconciles work orders?
• Who maintains service schedules?
• Who maintains headspace and timing records?
• Who maintains calibration records?
• Who maintains CMDP corrective action records?
• How are records transferred during personnel turnover?

14.6 Deadlined Equipment

• How are deadlined weapons identified?
• Where are deadlined weapons stored?
• How are deadlined weapons segregated from serviceable weapons?
• Who validates deadline status?
• Who initiates work orders?
• Who tracks parts and repair status?
• Who clears deadlined equipment for return to service?

14.7 Safety

• Where are weapons cleared before maintenance?
• What clearing barrel procedures apply?
• How is ammunition segregated from maintenance areas?
• What PPE is required?
• What solvent and lubricant controls apply?
• What laser safety controls apply?
• What battery safety controls apply?
• What fire prevention controls apply?

APPROVAL:

[LAST NAME, FIRST NAME MI.]

[RANK, BRANCH, COMPONENT]

Commanding

CMDP Reference: 10(15)-1