C&R · II · 058
Chylewski pistol, SIG
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. 3 ↗
Chylewski, semiautomatic pistol mfd. By S.I.G. Switzerland, cal. 6.35mm (.25 ACP).
What this entry requires
- ATF REQUIRESMade or imported as stated: “mfd. By S.I.G. Switzerland”
- INFOATF states no date; production was about 1919–1921.
Editorial facts · Our research
- Country
SwitzerlandBasis: no citation - Manufacturer
- Schweizerische Industrie-Gesellschaft (SIG)Basis: the ATF wording
- Type
- PistolBasis: the ATF wording
- Action
- Semi-autoBasis: the ATF wording
- Caliber
- .25 ACPBasis: the ATF wording
- Made
- 1919–1921production; ATF states no dateBasis: outside reference ¹
- Service
- Commercial
Source
- Official wording
- ATF P 5300.11, April 2025 edition · Section II · PDF p. 3 ↗ · 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. luxuscap.com ↗, years: Luxus Capital, after Vetter, Das grosse Buch der SIG-Pistolen: SIG agreement 1919 for 1,000 units; production model "SIG-Chylewski 1919-1921", 6.35 mm (Forgotten Weapons cites Unblinking Eye for 1922-1923 instead)
- 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
NO VERIFIED IMAGE AVAILABLEWe show only freely licensed images verified to depict this model. None has been found yet.