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 · IV · 106

Sedgley glove pistol, S/N IRS-3580

Section IV: still an NFA firearm, also a curio or relic

Official wording

ATF P 5300.11 · APRIL 2025 EDITION · SECTION IV · VERBATIM · PDF P. 84 ↗

Glove Pistol, S/N IRS-3580, cal. .38 Centerfire, single shot, marked MK 2 S, mfd. by Sedgley, Philadelphia, for the U.S. Marines.

What this entry requires

  • ATF REQUIRESYour firearm carries the marking “marked MK 2 S”
  • ATF REQUIRESMade or imported as stated: “mfd. by Sedgley”
  • ATF REQUIRESYour serial number is one ATF listsATF: “S/N IRS-3580”
  • INFOATF states no date; production was about 1942–1945.
  • INFOStill an NFA firearm; only registered examples transfer, with ATF approval (26 U.S.C. 5812, 5861).

Editorial facts · Our research

Country
United States
Manufacturer
R.F. Sedgley, Inc., Philadelphia
Type
Pistol
Action
Other
Caliber
.38 Centerfire
Made
Listed serial only · c. 1942–1945production; ATF states no date²
Service
Military
Search listings ↗Check a specific gunReport an error ↗

Source

Official wording
ATF P 5300.11, April 2025 edition · Section IV · PDF p. 84 ↗ · 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. en.wikipedia.org ↗, reference article: The Sedgley OSS .38 glove pistol, also called the Sedgley Mk2 (Navy 'Hand Firing Mechanism, Mk 2'), made by Sedgley Co. of Philadelphia for the U.S. Marines and Navy: the gun ATF lists as S/N IRS-3580, marked MK 2 S, mfd. by Sedgley for the U.S. Marines.
  2. Wikipedia, “Sedgley OSS .38” ↗, years (estimate: derived from related facts): 'a World War II firearm' made by Sedgley Co. with the OSS and ONI for the U.S. Marines and Navy; years bounded by U.S. involvement in WWII (1942–1945)
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. Maintenance and reference-link fixesReference article: none → Sedgley OSS .38. The article covers the Sedgley Mk 2 glove pistol made for the U.S. Marines, which is what the ATF line describes

All corrections · How corrections work

Historical context

Patent drawing, U.S. Patent 2,423,448 (shown for Sedgley glove pistol, S/N IRS-3580)
Shown: the patent drawing for the Sedgley Mark 2 glove pistol (U.S. Patent 2,423,448), not a production example.

Image: U.S. Patent 2,423,448, “Fist gun, sheet 1” by Stanley M. Haight, Public domain (US patent). Retrieved October 2026.

Summary: Wikipedia, “Sedgley OSS .38”. Text CC BY-SA 4.0.

FROM WIKIPEDIA

The Sedgley OSS .38 glove pistol or Sedgley Mk2 is a World War II firearm. It was designed by Stanley M. Haight and manufactured by Sedgley Co. of Philadelphia, working with the Research and Development Branch of the Office of Strategic Services (OSS) and the Office of Naval Intelligence (ONI), for use by the U.S. Marines and the U.S. Navy. Its official designation by the US Navy was Hand Firing Mechanism, Mk 2.