Aha, so that's what your project is! When I saw "Hotchkiss" before, I was thinking of the machine gun. I was just looking at some pics with those the other day(on the Moroland wars website), and thinking they would be a neat project. Even full size, they're not too huge.
In the same website, they had some pics of the Colt's 1895, got me wondering if one could be made up, perhaps with a disguised Ruger 10/22 or an SKS. Of course, it wouldn't have the authentic"potato digger" action.