TR-55D Hand Gun
"The TR-5DD was specified as a none lethal weapon, however people soon discovered switching out the power enabled lethal velocity rounds." The concept art comes from Gareth Davies @https://www.artstation.com/artist/spudonkey
Main shot ( made to look like concept art )
Sides
Front and Back
Poly-cage
Reference: Concept done by @Gareth Davies ( https://www.artstation.com/artist/spudonkey )