Kit Preview : 1/76 Ostmodels 76mm F-22 Gun
About the manufacturer
Ostmodels in Tasmania has an extensive range of 1/76 vehicles overlooked by mainstream manufacturers. I don't know if Ankef Fuglsang, the owner is still active at eh moment of writing (12/07). There is a catalog online at Henk of Holland's web site (Henk crafted several masters for Ostmodels).
Click here for catalog.
About the vehicle
Here is the Wikipedia on the vehicle.
About the kit
The provided parts will build up in a very basic gun. Handwheels and other details will need to be sourced elsewhere or built from scratch.