The bomb uses a burst charge to detonate on impact with the ground. It contains a payload of 108 lb (49 kg) of sarin.
The KhAB-250 was displayed at Shikani Test and Proving Grounds in 1986 as a component of the then-current Soviet chemical arsenal. Contemporary analysts noted that it appeared relatively unsophisticated compared to Soviet conventional munitions of the same time frame.
The bomb was removed from service as a result of the Chemical Weapons Convention in the early 1990s.