Source: ATF P 5300.11 · Curios or Relics List · Jan 1972 – Apr 20253,573 entries · 4 sections
The C&R RegisterA finding aid to the ATF Curios or Relics List, for Type 03 collectors
C&R · II · 370

Obregón pistol

Section II: curio or relic, still subject to the Gun Control Act

Official wording

ATF P 5300.11 · APRIL 2025 EDITION · SECTION II · VERBATIM · PDF P. 12 ↗

Mexican, Obregon, pistol, cal. .45 ACP.

What this entry requires

  • INFOATF states no date; production was about 1934–1938.

Editorial facts · Our research

Country
MexicoBasis: the ATF wording
Manufacturer
Fábrica Nacional de Armas, Mexico CityBasis: outside reference ¹
Type
PistolBasis: the ATF wording
Action
Semi-autoBasis: outside reference ³
Caliber
.45 ACPBasis: the ATF wording
Made
1934–1938production; ATF states no dateBasis: outside reference ²
Service
Military

Source

Official wording
ATF P 5300.11, April 2025 edition · Section II · PDF p. 12 ↗ · ATF original ↗
Entries
1 line
Verbatim check
Checked against the PDF text before every release
Editorial facts
Confidence: Medium · Last revised 18 October 2026 (Evidence pass) · How we rate confidence
References
  1. 1. Wikipedia, “Obregón pistol” ↗, maker: fewer than 1,000 produced at the national armory, Fabrica de Armas Mexico, in Mexico City
  2. 2. Wikipedia, “Obregón pistol” ↗, years: produced between 1934 and 1938; infobox production date 1934–1938
  3. 3. Wikipedia, “Obregón pistol” ↗, action: semi-automatic pistol, short recoil, rotating barrel
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

Obregón pistol

Image: Wikimedia Commons, “Obregon pistol1.jpg” by NS777, CC BY-SA 4.0. Retrieved October 2026.

Summary: Wikipedia, “Obregón pistol”. Text CC BY-SA 4.0.

FROM WIKIPEDIA

The Obregón is a Mexican designed semi-automatic pistol designed in the mid-1930s by the mechanical engineer Alejandro Obregón.