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 · 475

Singer M1911A1

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. 15 ↗

Singer Manufacturing Company, Model 1911-A1 pistols, all original, S/N range from S800001 to S800500.

500 pistols made under a 1940 educational order.

What this entry requires

  • ATF REQUIRESOriginal as the ATF wording requires: “all original”
  • ATF REQUIRESYour serial number is one ATF listsATF: “S/N range from S800001 to S800500”
  • INFOATF states no date; production was about 1941.

Editorial facts · Our research

Country
United StatesBasis: outside reference ¹
Manufacturer
Singer Manufacturing Co., Elizabeth, NJBasis: the ATF wording
Type
PistolBasis: the ATF wording
Action
Semi-autoBasis: outside reference ²
Caliber
.45 ACPBasis: outside reference ³
Made
1941production; ATF states no dateBasis: outside reference ⁴
Service
Military

Source

Official wording
ATF P 5300.11, April 2025 edition · Section II · PDF p. 15 ↗ · 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, “Singer Corporation” ↗, country: Wikipedia: Singer is an American manufacturer; Singer Manufacturing Co., Elizabeth, NJ received the M1911A1 educational order (S/Ns S800001–S800500)
  2. 2. Wikipedia, “M1911 pistol” ↗, action: Wikipedia: M1911/M1911A1 semi-automatic pistol, short recoil; ATF names the Model 1911-A1
  3. 3. cdn.rockislandauction.com ↗, calibers: Rock Island Auction (Auction 84) Singer Model 1911A1 S/N S800256: "45 ACP cal."
  4. 4. cdn.rockislandauction.com ↗, years: Rock Island Auction: order W-ORD-396 awarded April 17, 1940; "They completed the initial order for 500 in December of 1941, which were then shipped to Springfield Armory"
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

Singer M1911A1

Image: Wikimedia Commons, “M1911 and M1911A1 pistols.JPG” by Dkamm at English Wikipedia, Public domain. Retrieved October 2026.

Summary: Wikipedia, “M1911 pistol”. Text CC BY-SA 4.0.

FROM WIKIPEDIA

The Colt M1911 is a single-action, recoil-operated, semi-automatic pistol chambered primarily for the .45 ACP cartridge.