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 · 542

Stock 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. 17 ↗

Stock, semiautomatic pistols, all cal.’s, mfd. by Franz Stock.

What this entry requires

  • ATF REQUIRESMade or imported as stated: “mfd. by Franz Stock”
  • INFOATF states no date; production was about 1920–1940.

Editorial facts · Our research

Country
GermanyBasis: outside reference ³
Manufacturer
Franz Stock, BerlinBasis: outside reference ²
Type
PistolBasis: the ATF wording
Action
Semi-autoBasis: the ATF wording
Caliber
All calibersBasis: the ATF wording
Made
c. 1920–1940production; ATF states no dateBasis: outside reference ¹
Service
Commercial

Source

Official wording
ATF P 5300.11, April 2025 edition · Section II · PDF p. 17 ↗ · 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. unblinkingeye.com ↗, years: production of 7.65mm began 1920 or 1921, 6.35mm within a year or two, .22 target pistol 1924; last pistols proofed after 15 January 1940
  2. 2. unblinkingeye.com ↗, maker: Franz Stock company, Berlin
  3. 3. unblinkingeye.com ↗, country: 'the Franz Stock Company of Berlin'; German patents and Berlin directory listings
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
2 changes · see below

Correction history

  1. Data-trust reviewEditorial confidence: Low → High. Re-rated after supporting references were added or re-checked.
  2. Data-trust reviewYears: 1923–1940 → 1920–1940. 7.65mm production began 1920 or 1921; the last pistols were proofed after January 1940

All corrections · How corrections work

Historical context

NO VERIFIED IMAGE AVAILABLEWe show only freely licensed images verified to depict this model. None has been found yet.