A new 4 part set:
1. G36 in normal texture
2. G36 in camouflaged colour
3. G36 in light grey colour
4. G36 gun rack
all found under Decor / Misc. Decor, all cost 0.
The cheat code "moveobjects on" is necessary to place the rifle on the rack and to place the rack against any wall.
3 different G36 assault rifles and gun rack (MediaFire)