C&R · III · 132
Sedgley Mark V signal pistol
Section III: removed from the NFA, curio or relic under the GCA
Official wording
ATF P 5300.11 · APRIL 2025 EDITION · SECTION III · VERBATIM · PDF P. 43 ↗
Sedgley, Mark V, cal. 10 gauge, signal pistol.
What this entry requires
- INFOATF states no date; production was about 1943–1957.
Editorial facts · Our research
Source
- Official wording
- ATF P 5300.11, April 2025 edition · Section III · PDF p. 43 ↗ · ATF original ↗
- Entries
- 1 line
- Verbatim check
- Checked against the PDF text before every release
- Editorial facts
- Confidence: Medium · Last revised 17 October 2026 (Data-trust review) · How we rate confidence
- References
- 1. ima-usa.com ↗, maker: Sedgley made the 10-gauge Mark 5 for the Navy's Bureau of Ships
- 2. ima-usa.com ↗, years: IMA listings of Navy Mark 5 pistols dated 1943, 1944, 1947, 1950, 1951 and 1957
- 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
- 2 changes · see below
Correction history
- Data-trust reviewEditorial confidence: Low → Medium. Re-rated after supporting references were added or re-checked.
- Data-trust reviewYears: 1917–1945 → 1943–1957. The Mark 5 is a WWII Bureau of Ships pistol; dated examples run 1943–1957, not 1917–1945
Historical context
NO VERIFIED IMAGE AVAILABLEWe show only freely licensed images verified to depict this model. None has been found yet.