And here we have the fully finished model of this thing, a revolver made with a gas pressuare system that allows it to catch the gas produced when the powder base .44 SPL rounds, those gases are store inside a small tank beneath the barrel of the gun, which later it can be used to either fire Dart Ammo, or using a modular grappling hook mechanism.
The perfect sidearm with multitool capabilities!
I am getting better with this gun designs i have to say xD
Another commission down from this german kitten https://www.deviantart.com/assaultcat