S&W Model 45 Military & Police .22
Official wording
Smith & Wesson, Model 45 Military & Police, cal. .22LR, revolvers.
What this entry requires
- INFOATF states no date; production was about 1948–1978.
Editorial facts · Our research
Low editorial confidence. Some details below couldn’t be confirmed from independent sources. The ATF wording is unaffected. About confidence
- Country
United StatesBasis: no citation - Manufacturer
- Smith & WessonBasis: the ATF wording
- Type
- PistolBasis: the ATF wording
- Action
- OtherBasis: no citation
- Caliber
- .22 LRBasis: the ATF wording
- Made
- c. 1948–1978production; ATF states no dateBasis: no citation
- Service
- Commercial
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: Low · Last revised 18 October 2026 (Evidence pass) · How we rate confidence
- References
- None attached yet
- 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

Image: Wikimedia Commons, “M&Prevolver.jpg” by The original uploader was Olegvolk at English Wikipedia., CC BY 2.5. Retrieved October 2026.
Summary: Wikipedia, “Smith & Wesson Model 10”. Text CC BY-SA 4.0.
FROM WIKIPEDIA
The Smith & Wesson Model 10, previously known as the Smith & Wesson .38 Hand Ejector Model of 1899, the Smith & Wesson Military & Police or the Smith & Wesson Victory Model, is a K-frame revolver. In production since 1899, the Model 10 is a six-shot, .38 Special, double-action revolver with fixed sights. Over its production run it has been available with barrel lengths of 2 in (51 mm), 3 in (76 mm), 4 in (100 mm), 5 in (130 mm), and 6 in (150 mm). Barrels of 2.5 inches (64 mm) are also known to have been made for special contracts. Over 6,000,000 of the type have been produced over the years, making it the most-produced handgun of the 20th century.