S&W .455 Mark II Hand Ejector

Source

Official wording

ATF P 5300.11, April 2025 edition · Section II · PDF p. 16 ↗ · ATF original ↗

Entries

1 line

Verbatim check

Checked against the PDF text before every release

Editorial facts

Confidence: High · Last revised 18 October 2026 (Evidence pass) · How we rate confidence

References

1. ¹1. Wikipedia, “Smith & Wesson” ↗, country: Wikipedia: Smith & Wesson is an American firearm manufacturer, founded in Norwich, Connecticut / Springfield, Massachusetts
2. ²2. gunvalues.gundigest.com ↗, type: Gun Digest: .455 Mark II HE 1st Model, "Of the 5,000 revolvers produced …" — a revolver (handgun)
3. ³3. Wikipedia, “Smith & Wesson Triple Lock” ↗, action
4. ⁴4. gunvalues.gundigest.com ↗, years: Gun Digest: .455 Mark II HE 1st Model "Produced between 1914 and 1915"
5. ⁵5. gunvalues.gundigest.com ↗, years: Gun Digest: .455 Mark II HE 2nd Model "Serial number range 5000 to 74755. Manufactured from 1915 to 1917"

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