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)
Definitely not WW1, although the carriage above the trail reminds me of the British WW1 9.2in Gun.
I checked the Russian Wikipedia and it seems to say that the idea was proposed in 1920, but development only started in 1926 and the first prototype wasn't ready until 1931:
Re: Strelets - How about a 203-мм гаубица обр. 1931 г. (Б-4)
...Hmm my Russians not so good, now I have seen photos of this gun being used in the battle of Berlin, so WW2 I would buy it, and I suspect everyone who has purchased WW2 Germans and Russians would too.
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.