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 · 148

Colt Mk IV Government Model, Michigan State Police 60th

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. 6 ↗

Colt, Mark IV, Government Model, commemorative "Michigan State Police 60th Anniversary, 1917-1977." The left side of slide engraved with scroll pattern and depicts four modes of transportation; Horse, Motorcycle, Auto and Helicopter, S/Ns 1 to 1608.

What this entry requires

  • ATF REQUIRESYour firearm is this edition: “commemorative "Michigan State Police 60th Anniversary, 1917-1977."”
  • ATF REQUIRESYour firearm is this edition: “The left side of slide engraved with scroll pattern and depicts four modes of transportation”
  • ATF REQUIRESYour serial number is one ATF listsATF: “S/Ns 1 to 1608”
  • INFOATF states no date; production was about 1977.

Editorial facts · Our research

Country
United States
Manufacturer
Colt's Firearms
Type
Pistol¹
Action
Semi-auto
Caliber
.45 ACP
Made
S/Ns 1–1608 · c. 1977production; ATF states no date²
Service
Commercial
Search listings ↗Check a specific gunReport an error ↗

Source

Official wording
ATF P 5300.11, April 2025 edition · Section II · PDF p. 6 ↗ · 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. collectorsfirearms.com ↗, type: special edition 1911 pistol, .45 ACP
  2. collectorsfirearms.com ↗, years: S/N 64380G70, made in 1977
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: 1977–1978 → 1977. Dealer listing: made in 1977 (60th anniversary 1917–1977)

All corrections · How corrections work

Historical context

M1911 pistol (base model shown for Colt Mk IV Government Model, Michigan State Police 60th)
Shown: the base M1911 and M1911A1, not the Michigan State Police 60th Anniversary commemorative.

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.