Service-history checklist
Know what was serviced—and what is due next.
A maintenance log should preserve the date, firearm, round count, type of work, products or parts involved, person who performed it, factual observations, and the next interval stated by the manufacturer or qualified professional.
What belongs in a firearm maintenance log?
Record the firearm, service date, current round count, maintenance type, work performed, products or parts used, who performed the work, factual condition notes, supporting receipts, and the next service date or round interval.
Start with safety and controlling guidance
This is a recordkeeping checklist, not a maintenance procedure. Before handling or servicing any firearm, follow established safety rules, confirm its condition according to your training, and use the exact manufacturer manual. Work beyond your knowledge or authorization belongs with a qualified gunsmith or the manufacturer.
Fields for every maintenance event
- Date and time, the exact firearm profile, and the recorded lifetime round estimate.
- Event type: cleaning, lubrication, inspection, parts replacement, manufacturer service, warranty work, or qualified gunsmith service.
- A factual summary of the work, using the same terminology as the manufacturer or service invoice.
- Products and parts used, including brand, specification, part number, and lot when relevant.
- Who performed the work and where professional service was completed.
- Observations before and after service without guessing at causes.
- Receipt, work order, shipping record, warranty correspondence, or returned-parts note.
- The next date or round interval recommended by the controlling manual or qualified professional.
Keep different work types separate
| Routine care | Dated cleaning or lubrication record, round count, products used, and next interval |
|---|---|
| Inspection | Who inspected it, scope stated on the record, factual findings, and follow-up |
| Parts | Part number, source, date, installer, reason stated on the work order, and retained receipt |
| Professional service | Provider, work-order number, shipped and returned dates, work performed, and warranty details |
| Reminder | Next date, next round threshold, or the event that should trigger review |
Use both dates and round counts when relevant
Some guidance is calendar-based, some is use-based, and some depends on conditions or an observed issue. Preserve the original source of the interval and avoid inventing a universal schedule. A reminder should point back to the exact manual, service note, or professional recommendation that created it.
Close the loop after professional service
When the firearm returns, connect the final invoice or work order to the original observation, record exactly what the provider reports, update any parts history, and create the next follow-up. Keep shipping and transfer records as required and avoid placing sensitive details in casual email or shared notes.
How long should maintenance records be kept?
Keep them for as long as they remain useful for ownership history, warranty support, professional service, and your applicable recordkeeping requirements. Preserve source documents and dates rather than relying only on a summary.
This checklist supports personal documentation. It does not provide maintenance procedures, safety instruction, legal advice, or gunsmithing guidance. Follow the manufacturer manual and qualified professional direction.
Complete the history
Related guides
Firearm inventory checklist
Connect service records to exact identity, ownership, and condition details.
Open the inventory guide →Range session log
Carry round counts and observations into the maintenance history.
Open the range-log guide →Keep service history tied to the correct firearm.
One More Gun connects dates, round intervals, reminders, service notes, and readiness.