Below is the list of pistols currently approved for Production Division. However, IPSC does not guarantee that a model currently listed may not be removed from the list in the future. IPSC reserves the right to modify this list at any time.
PT92, PT911, PT99, PT940, PT945, P945 (except "C" models),
PT100, PT101, PT111, PT140, PT145, PT921, M66, 827, 817, 809B, 809SS, 840B, 840SS, 845B, 845SS.
24/7 and 24/7 Pro models (SA/DA versions only, with barrel length up to 5").
Other 24/7 Pro models, and all OSS models, are not approved for Production Division
Any DAO or DA/SA revolver with a barrel length of up to 5" is approved.
This is lifted directly from the IPSC International website.
Vezuvio is correct