HK-51

HK-51 assassin droids were advanced versions of HK-50 assassin droids that were manufactured by GO-TO in the HK Manufacturing Plant. There appearance was like that of the HK-47 and HK-50's save for their photoreceptors glowing ice blue instead of heated orange and their durasteel was black in color.

Characteristics
''"Schematics for HK generation 51: blaster accuracy ratio: increased by 21%. Durasteel impact resistance: increased. Conclusion: halting production. Units are in standby mode, pending further testing of behavior cores and assassination protocols." ''

--Log of the HK-51's developement status