It looks like there is a variation to K-2SO. Images showing up on Amazon show him now included with an E-11 blaster rifle. Great, a another running change WITH a new weapon. Perfect. We don't have any other information on this than the image. It could be an older stock image. We just dont' know. Special thanks to JTA reader Jared S. for the news!
UPDATE: No need to worry. The images with the blaster are incorrect and replaced with the images without the blaster. There is NO WEAPON to track down.