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 · 159

Colt Model 1903 Pocket Hammerless

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. 6 ↗

Colt, Model 1903 Pocket (hammerless), semiautomatic pistol, cal. .32.

ATF lists cal. .32; this is the .32 ACP (7.65mm Browning) cartridge.

What this entry requires

  • INFOATF states no date; production was about 1903–1945.

Editorial facts · Our research

Country
United StatesBasis: outside reference ¹
Manufacturer
Colt's Patent Fire Arms Mfg. Co.Basis: the ATF wording
Type
PistolBasis: the ATF wording
Action
Semi-autoBasis: the ATF wording
Caliber
.32 ACPBasis: the ATF wording
Made
1903–1945production; ATF states no dateBasis: outside reference ²
Service
Military

Source

Official wording
ATF P 5300.11, April 2025 edition · Section II · PDF p. 6 ↗ · ATF original ↗
Entries
1 line
Verbatim check
Checked against the PDF text before every release
Editorial facts
Confidence: High · Last revised 18 October 2026 (Evidence pass) · How we rate confidence
References
  1. 1. Wikipedia, “Colt Model 1903 Pocket Hammerless” ↗, country: infobox origin United States
  2. 2. Wikipedia, “Colt Model 1903 Pocket Hammerless” ↗, years: infobox production date 1903–1945
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

Colt Model 1903 Pocket Hammerless

Image: Wikimedia Commons, “Frederic Laboureur Colt 1903 Pocket pistol-2013.19.1-IMG 7577-white.jpg”, CC BY-SA 3.0 fr. Retrieved October 2026.

Summary: Wikipedia, “Colt Model 1903 Pocket Hammerless”. Text CC BY-SA 4.0.

FROM WIKIPEDIA

The Colt Model 1903 Pocket Hammerless is a .32 ACP caliber, self-loading, semi-automatic pistol designed by John Browning and built by Colt Patent Firearms Manufacturing Company of Hartford, Connecticut. It is also called the Model M.