GK-series

The GK-series was a droid series consisting of sentry and battle droids active during the Galactic Civil War. Many GK droids were recruited by HK-47 during his attempt to conquer Mustafar.

Notable models

 * GK-5 sentry droid
 * GK-14 Defender droid
 * GK-18 Sentinel droid
 * GK Oppressor droid