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that's the way it looks assembled when made by Pit-Road as an injection moulded kit. However your 75mm Field Gun should be the horse-drawn one, due to the wooden made wheels.
Nevertheless I'd preferred those resin kits because the were sharpened and better detailed than many injection moulded, plastic kis. But this has changed now. Plastic kits are sometime even better. Your resin-kits were made several years ago, I suppose due to the way of producing those parts with a lot of material to be clean.
Those figures seemed to better made, even when cleaning is necessary, than thoseof Pit-Road.
Pit-Road had added vinyl-tracks, a bit hard and not so flexibleas I would prefer. Better might be also injection moulded separated track-links to be assembled. But I will see, when model-kit will be finished.
Unfortunately I can ionly show those photos of my model-kits via my facebook-profile.
Thanks again for your photos shown here.