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 · 050

Greener Cattle Killer, Pocket Pattern

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. 24 ↗

Greener Cattle Killer (Pocket Pattern), No. B1203, cal. .310.

ATF identifies this piece by number (No. B1203).

What this entry requires

  • ATF REQUIRESYour serial number is one ATF lists
  • INFOATF states no date; production was about 1900–1960.

Editorial facts · Our research

Country
United Kingdom
Manufacturer
W.W. Greener, Birmingham¹
Type
Other⁴⁵
Action
Other
Caliber
.310
Made
Listed serials only · c. 1900–1960production; ATF states no date²³
Service
Commercial
Search listings ↗Check a specific gunReport an error ↗

Source

Official wording
ATF P 5300.11, April 2025 edition · Section III · PDF p. 24 ↗ · 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, “W. W. Greener” ↗, maker: W.W. Greener, Birmingham gunmaker
  2. weapons.prm.ox.ac.uk ↗, years: Greener invented the humane killer in 1895
  3. collection.sciencemuseumgroup.org.uk ↗, years: Greener humane cattle killer dated 1900–1910, Birmingham
  4. weapons.prm.ox.ac.uk ↗, type
  5. forgottenweapons.com ↗, type: Forgotten Weapons: Greener humane killers are "free-bullet" livestock killers, "made into the 1960s"
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

  1. Data-trust reviewEditorial confidence: Low → Medium. Re-rated after supporting references were added or re-checked.
  2. Image review: article images and reference linksReference article: W. W. Greener → none. W. W. Greener is about the W. W. Greener company, not this cattle killer.

All corrections · How corrections work

Historical context

NO VERIFIED IMAGE AVAILABLEWe show only freely licensed images verified to depict this model. None has been found yet.