Multi-caliber revolver made by Astra-Unceta in Spain to specifications from Fabrique Nationale (aka FN).
Manufactured from 1974 to 1989.
This revolver has interchengeable drums fit for .357 and 9mm rounds.
20k tris including both drums.

Model was made as a personal project. Game-ready.
Full cycle starting from plasticity ending with a textured geometry.