Welcome to the Strelets Forum. Please feel free to discuss any aspect of 1/72 scale plastic figures, not simply Strelets. If you have any questions about our products then we will answer them here.
Re: Strelets - How about a 203-мм гаубица обр. 1931 г. (Б-4)
The same chassis was used for three different barrels of different calibers, the 203mm being the most common. Post-WWII Soviet Army used a wheeled version. So plenty of options or conversions.