C&R · IV · 213
Kpist m/37-39
Section IV: still an NFA firearm, also a curio or relic
Official wording
ATF P 5300.11 · APRIL 2025 EDITION · SECTION IV · VERBATIM · PDF P. 88 ↗
Swedish, Model 37/39, cal. 9mm, submachinegun, as originally mfd. by Husqvarna Vapanfabriks Ab, Sweden, prior to 1946.
What this entry requires
- ATF REQUIRESMade or imported as stated: “as originally mfd. by Husqvarna Vapanfabriks Ab”
- ATF REQUIRESMade 1945 or earlier (ATF’s dates)ATF: “prior to 1946”
- INFOStill an NFA firearm; only registered examples transfer, with ATF approval (26 U.S.C. 5812, 5861).
Editorial facts · Our research
Source
- Official wording
- ATF P 5300.11, April 2025 edition · Section IV · PDF p. 88 ↗ · 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. smallarmsreview.com ↗, maker: Small Arms Review (Heidler, 2023): 'Husqvarna in Sweden made about 35,000 pieces of the Kpist m/37-39'; Husqvarna switched production to 9mm, giving the m/37-39 designation
- 2. Wikipedia, “Kulsprutepistol m/37” ↗, years: after the 1939 outbreak of war and the 1939 adoption of 9 mm patron m/39, the m/37-39 was newly made under licence (35,000) by Husqvarna; the end is ATF's own limit (prior to 1946)
- 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, “Suomi submachine gun M31 1 (1).jpg” by Mbeesb, CC BY-SA 3.0. Retrieved October 2026.
Summary: Wikipedia, “Suomi KP/-31”. Text CC BY-SA 4.0.
FROM WIKIPEDIA
The Suomi KP/-31 is a Finnish submachine gun that was mainly used during World War II. It is a descendant of the M-22 prototype and the KP/-26 production model, which was revealed to the public in 1925. It entered service in Finland in 1931, and remained in use until the 1980s.