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 · 700

Hino–Komuro pistol, 8mm, S/N 126

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. 11 ↗

Hino-Komuro, 8mm, semiautomatic pistol, S/N 126.

What this entry requires

  • ATF REQUIRESYour serial number is one ATF listsATF: “S/N 126”
  • INFOATF states no date; production was about 1908–1912.

Editorial facts · Our research

Country
Japan⁵
Manufacturer
Komuro Juhou Seisakusho³
Type
Pistol
Action
Semi-auto⁴
Caliber
8mm Nambu²
Made
Listed serial only · c. 1908–1912production; 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 II · PDF p. 11 ↗ · ATF original ↗
Entries
1 line
Verbatim check
Checked against the PDF text before every release
Editorial facts
Confidence: High · Last revised 18 October 2026 (Update to the April 2025 edition) · How we rate confidence
References
  1. Wikipedia, “Hino–Komuro pistol” ↗, years: produced 1908–1912, roughly 1,200 made
  2. Wikipedia, “Hino–Komuro pistol” ↗, calibers: made in .25 ACP, .32 ACP and 8mm Nambu
  3. Wikipedia, “Hino–Komuro pistol” ↗, maker: made by Komuro Juhou Seisakusho; patented by Yujiro Komuro, designed by Hino Kumazō
  4. Wikipedia, “Hino–Komuro pistol” ↗, action: blow-forward, semi-automatic
  5. Wikipedia, “Hino–Komuro pistol” ↗, country: pistol of Japanese origin
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
None

Historical context

Patent drawing, U.S. Patent 886,211 (shown for Hino–Komuro pistol, 8mm, S/N 126)
Shown: the sectional patent drawing for the Hino–Komuro pistol (U.S. Patent 886,211), not a production example.

Image: U.S. Patent 886,211, “Pistol, sheet 2” by Kumazo Hino and Tomijiro Komuro, Public domain (US patent). Retrieved October 2026.

Summary: Wikipedia, “Hino–Komuro pistol”. Text CC BY-SA 4.0.

FROM WIKIPEDIA

The Hino–Komuro M1908 was a blow-forward operated, semi-automatic pistol of Japanese origin and was patented by Yujiro Komuro.