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 · 428

Ruger Blackhawk flattop .357, 10-inch barrel

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. .357 Magnum, with 10" barrel, revolver with S/Ns 20000 - 38000.

What this entry requires

  • ATF REQUIRESConfigured as the ATF wording states: “with 10" barrel, revolver”
  • ATF REQUIRESYour serial number is one ATF listsATF: “with S/Ns 20000 - 38000”
  • INFOATF states no date; production was about 1959–1961.

Editorial facts · Our research

Country
United States
Manufacturer
Sturm, Ruger & Co.
Type
Pistol
Action
Other
Caliber
.357 Magnum
Made
Listed serials only · c. 1959–1961production; ATF states no date¹
Service
Commercial
Search listings ↗Check a specific gunReport an error ↗

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 18 October 2026 (Evidence pass) · How we rate confidence
References
  1. ruger.com ↗, years: Ruger serial history, Blackhawk .357: first S/N per year 18688 = 1959, 25734 = 1960, 34325 = 1961, 39490 = 1962; S/Ns 20000–38000 = 1959–1961
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
1 change · see below

Correction history

  1. Evidence passYears: 1955–1962 → 1959–1961. Ruger's .357 Blackhawk serial chart puts S/Ns 20000–38000 in 1959–1961

All corrections · How corrections work

Historical context

Ruger Blackhawk (base model shown for Ruger Blackhawk flattop .357, 10-inch barrel)
Shown: a Ruger Blackhawk convertible, not this flattop Blackhawk.

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.