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 · 547

T/C Contender, 25th Anniversary

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. 18 ↗

Thompson/Center 25th Anniversary Contender, cal. .22LR, pistol, 10 inch barrel, S/Ns 25 001- 25 536.

What this entry requires

  • ATF REQUIRESYour firearm is this edition: “Thompson/Center 25th Anniversary Contender”
  • ATF REQUIRESConfigured as the ATF wording states: “pistol, 10 inch barrel”
  • ATF REQUIRESYour serial number is one ATF listsATF: “S/Ns 25 001- 25 536”
  • INFOATF states no date; production was about 1990–1992.

Editorial facts · Our research

Country
United States
Manufacturer
Thompson/Center Arms, Rochester, NH
Type
Pistol
Action
Other
Caliber
.22 LR
Made
1990–1992production; ATF states no date¹
Service
Commercial
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Source

Official wording
ATF P 5300.11, April 2025 edition · Section II · PDF p. 18 ↗ · 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. Wikipedia, “Thompson/Center Arms” ↗, years (estimate: derived from related facts): ATF '25th Anniversary' + company founded 1965 and Contender announced 1967; y widened to cover both readings
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: 1990 → 1990–1992. '25th Anniversary' reads as 1990 (company founded 1965) or 1992 (Contender introduced 1967), per Wikipedia 'Thompson/Center Arms'

All corrections · How corrections work

Historical context

Thompson/Center Contender (base model shown for T/C Contender, 25th Anniversary)
Shown: the base Thompson/Center Contender, not the 25th Anniversary edition.

Image: Wikimedia Commons, “Thompson Center Contender.jpg” by Mike Searson at English Wikipedia, CC0. Retrieved October 2026.

Summary: Wikipedia, “Thompson/Center Contender”. Text CC BY-SA 4.0.

FROM WIKIPEDIA

The Thompson/Center Contender is a break-action single-shot pistol or rifle that was introduced in 1967 by Thompson/Center Arms. It can be chambered in cartridges from .17 Bumble Bee to .45-70 Government.