Please pardon the lurid title, but it took me decades to find out what Airfix were thinking when providing their 1/72 Doughboys with a Chauchat machine gun on a very long bipod.
It has been suggested to post the gun behind a wall or into a trench. And indeed, that seems to be where the sculptor found his inspiration, half a century ago - see this image from this article about the Chauchat.