C&R · IV · 001
Alarm pistol, S/N IRS-3591
Section IV: still an NFA firearm, also a curio or relic
Official wording
ATF P 5300.11 · APRIL 2025 EDITION · SECTION IV · VERBATIM · PDF P. 81 ↗
Alarm Pistol, S/N IRS-3591, cal. .22 Rimfire, marked Patent Pending about 1883, which rings an alarm bell and also fires a cartridge when set to do so.
What this entry requires
- ATF REQUIRESYour firearm carries the marking “marked Patent Pending about 1883”
- ATF REQUIRESYour serial number is one ATF listsATF: “S/N IRS-3591”
- INFOATF states no date; production was about 1883–1898.
- INFOStill an NFA firearm; only registered examples transfer, with ATF approval (26 U.S.C. 5812, 5861).
Editorial facts · Our research
Low editorial confidence. Some details below couldn’t be confirmed from independent sources. The ATF wording is unaffected. About confidence
- Country
- Not statedBasis: the ATF wording
- Manufacturer
- Not statedBasis: the ATF wording
- Type
- OtherBasis: the ATF wording
- Action
- OtherBasis: no citation
- Caliber
- .22 rimfireBasis: the ATF wording
- Made
- S/N IRS-3591 only · c. 1883–1898production; ATF states no dateBasis: no citation
- Service
- Commercial
Source
- Official wording
- ATF P 5300.11, April 2025 edition · Section IV · PDF p. 81 ↗ · ATF original ↗
- Entries
- 1 line
- Verbatim check
- Checked against the PDF text before every release
- Editorial facts
- Confidence: Low · Last revised 18 October 2026 (Evidence pass) · How we rate confidence
- References
- None attached yet
- Fact tags
- ATF the ATF wording states it.
- REF ¹ an outside reference supports it; the number points to the list of references.
- ESTIMATE an approximate or indirect reading, for example the production range of the base model.
- NO CITATION we haven’t attached a reference for this fact; it’s our editorial reading, not ATF’s.
- Source checked
- 20 October 2026: ATF’s page still lists the April 2025 edition
- Corrections
- None
Historical context
NO VERIFIED IMAGE AVAILABLEWe show only freely licensed images verified to depict this model. None has been found yet.