Here's a highly detailed model of the huge Russian B-4 203mm gun in cast resin.

Minatur Models of Romania offers a collection of fine resin-cast kits of military subjects you won't find anywhere else! The sharply cast parts are lovingly packed in foam wrapping to improve their safety. Illustrated instructions are provided for assembly. Features very detailed suspension and track assemblies with transport wheels. Markings are not included. A limited-production resin kit for experienced modelers!