Khurasan has released some new 15mm sci-fi tanks over in their webshop.
From the release:
We have released four new vehicles in 15mm scale to represent the “next generation” of AFVs for Nova Respublik, our popular range of Neo-Soviets. There are two tanks, tracked (shown here) and grav, and also two IFVs with the same drive options. The models are available now.