A machine pistol of my own design taking inspiration from Star Wars and Destiny. This one is painted in a Destiny colour scheme to match my Praedeths Timepiece which you can see on my Facebook page Bigbangcollectables.
As usual build one half on a flat surface then add the parts of the other half. This will keep things straight. The model in the pictures has had a few random air fittings added I had laying around so you'll have to come up with your own versions or buy them from any pneumatics supplier. If you leave out the butt it makes a cool hand held.
Good luck and don't use it as a hood ornament ;-)