Here is a selection of sci-fi guns and equipment i have painted and designed for the traveller RPG series. i use a combination of hard surface 3d kit bashing and painting in photoshop to achieve my designs.
Closeguard Def system
MDD infantry supp weapon sys
Porcupine rifle
tac relay unit
MDS rifle
comms unit
laser designator
Personel HUD
laz rifle
automedic
support cooling unit