Here are a couple of very old Space Dwarfs, which were from the very early days of Warhammer 40000.
There is a commander with power fist and one dwarf with a heavy bolter. These dwarves were in many ways like the Imperial Guard of that era but with shorter legs. As a result they weren’t as popular with gamers. They did evolve a little into the biker gangs (which I didn’t like) and then were unsummarily deleted from the range by Games Workshop.