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 · III · 082

Manville 25mm tear gas gun

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. 26 ↗

Manville, 18 shot, cal. 25mm, semiautomatic tear gas gun.

What this entry requires

  • INFOATF states no date; production was about 1936–1943.

Editorial facts · Our research

Country
United States
Manufacturer
Charles J. Manville²
Type
Other
Action
Semi-auto
Caliber
25mm
Made
c. 1936–1943production; ATF states no date¹
Service
Commercial
Search listings ↗Check a specific gunReport an error ↗

Source

Official wording
ATF P 5300.11, April 2025 edition · Section III · PDF p. 26 ↗ · 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. Wikipedia, “Manville gun” ↗, years: 25mm 18-round version introduced 1936; production ceased 1943
  2. Wikipedia, “Manville gun” ↗, maker: Introduced by Charles J. Manville; the Manville company ceased production in 1943
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
3 changes · see below

Correction history

  1. Data-trust reviewEditorial confidence: Low → Medium. Re-rated after supporting references were added or re-checked.
  2. Data-trust reviewYears: 1935–1945 → 1936–1943. Wikipedia: 25mm model introduced 1936, production ended 1943
  3. Data-trust reviewMaker: Manville Machine Co. → Charles J. Manville. No source confirms the name Manville Machine Co.; Wikipedia names Charles J. Manville

All corrections · How corrections work

Historical context

Patent drawing, U.S. Patent 2,101,148 (shown for Manville 25mm tear gas gun)
Shown: the patent drawing for Charles J. Manville's drum-fed machine projector (U.S. Patent 2,101,148), not this 18-shot 25mm gun.

Image: U.S. Patent 2,101,148, “Machine projector, sheet 1” by Charles J. Manville, Public domain (US patent). Retrieved October 2026.

Summary: Wikipedia, “Manville gun”. Text CC BY-SA 4.0.

FROM WIKIPEDIA

The Manville gun was a stockless, semi-automatic, revolver type gun, introduced in 1935 by Charles J. Manville. The Manville Gun was a large weapon, with a heavy cylinder being rotated for each shot by a clockwork-type spring. The spring was wound manually during the reloading.