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 · 443

Ruger Lightweight Single-Six

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, Lightweight Single Six, Revolver with S/Ns 200000 to 212630.

What this entry requires

  • ATF REQUIRESYour serial number is one ATF listsATF: “with S/Ns 200000 to 212630”
  • INFOATF states no date; production was about 1956–1958.

Editorial facts · Our research

Country
United States¹
Manufacturer
Sturm, Ruger & Co.
Type
Pistol
Action
Other²
Caliber
.22³
Made
1956–1958production; ATF states no date⁴⁵
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: High · Last revised 18 October 2026 (Evidence pass) · How we rate confidence
References
  1. Wikipedia, “Sturm, Ruger & Co.” ↗, country: Wikipedia: "an American firearm manufacturing company", founded 1949 in Southport, Connecticut
  2. americanrifleman.org ↗, action
  3. ruger.com ↗, calibers: Ruger serial history, Single-Six Standard Model: "Caliber: 22 LR"; American Rifleman: the Light Weight is otherwise identical to the original Single-Six
  4. americanrifleman.org ↗, years: American Rifleman: aluminum Single-Six introduced 1956 (serials began with 200000); "dropped from Ruger's advertisements by the end of 1957 … When the last of the Light Weights shipped in August 1958, the serial number had reached 212530"
  5. gunvalues.gundigest.com ↗, years: Gun Digest (citing Know Your Ruger Single-Action Revolvers): "Variation produced between 1956 and 1958. Serial number range 200000-212000"
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

Ruger Single-Six (base model shown for Ruger Lightweight Single-Six)
Shown: two generations of the Ruger Single-Six, not this alloy-frame Lightweight Single-Six.

Image: Wikimedia Commons, “Ruger Single-Six, 2 generations.jpg” by Coati077, CC BY-SA 4.0. Retrieved October 2026.

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

FROM WIKIPEDIA

The Ruger Single-Six is a single-action rimfire revolver produced by Sturm, Ruger & Co. The Single-Six was first released in June 1953.