Sage Control SL-6 Rotary Launcher with C-More red dot Sight - 37mm. This is the Screen used
Hero Gun held by Arnold Schwarzenegger in the film
Terminator 3: Rise of the Machines.
Sage Control GL6 Rotary Launcher with optical sight - 40x46mm
Sage Control Ordnance, in addition to breach loading single shot launchers, also manufacture 6 shot and 8 shot rotary launchers with fixed and folding stocks as well as offered in non-restricted 37mm gas grenade Law Enforcement versions and 40mm Destructive Device Versions.
The Sage Control Rotary Launchers can be seen in the following films and video games:
Film
Video Games