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 · 435

Ruger Blackhawk stainless .357/9mm convertible

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. 14 ↗

Ruger, Blackhawk, cal.’s .357 and 9mm, stainless steel revolver with S/Ns 32-56000 - 32-59000.

ATF lists cal. 9mm; this is the 9mm Parabellum (9×19mm) cartridge.

What this entry requires

  • ATF REQUIRESYour serial number is one ATF listsATF: “with S/Ns 32-56000 - 32-59000”
  • INFOATF states no date; production was about 1974.

Editorial facts · Our research

Country
United StatesBasis: no citation
Manufacturer
Sturm, Ruger & Co.Basis: the ATF wording
Type
PistolBasis: the ATF wording
Action
OtherBasis: no citation
Caliber
.357 Magnum, 9mm ParabellumBasis: the ATF wording
Made
Listed serials only · c. 1974production; ATF states no dateBasis: outside reference ¹
Service
Commercial

Source

Official wording
ATF P 5300.11, April 2025 edition · Section II · PDF p. 14 ↗ · ATF original ↗
Entries
1 line
Verbatim check
Checked against the PDF text before every release
Editorial facts
Confidence: Medium · Last revised 17 October 2026 (Data-trust review) · How we rate confidence
References
  1. 1. ruger.com ↗, years: first S/N shipped: 32-33639 (1974), 32-66489 (1975)
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 → Medium. Re-rated after supporting references were added or re-checked.
  2. Data-trust reviewYears: 1974–1985 → 1974. Ruger's New Model Blackhawk .357 chart puts 32-33639 at 1974 and 32-66489 at 1975, so S/Ns 32-56000–32-59000 shipped in 1974

All corrections · How corrections work

Historical context

Ruger Blackhawk (base model shown for Ruger Blackhawk stainless .357/9mm convertible)
Shown: a blued Ruger Blackhawk convertible, not this stainless .357/9mm convertible.

Image: Wikimedia Commons, “Ruger Blackhawk Convertible.jpg” by Mika Järvinen from Finland, CC BY 2.0. Retrieved October 2026.

Summary: Wikipedia, “Ruger Blackhawk”. Text CC BY-SA 4.0.

FROM WIKIPEDIA

The Ruger Blackhawk is a six-shot, single-action revolver manufactured by Sturm, Ruger & Co. It is produced in a variety of finishes, calibers, and barrel lengths.