
The incapacitating BZ bomb cluster M43 contains cluster adapter M30 clustered with 10-pound incapacitating BZ bombs M138, fin assembly M14, fuze M152A1 or M908, and arming wire assembly M23. Nineteen bombs are clustered in each of three longitudinal compartments inside the casing of the cluster adapter.
The burster consists of 22 feet of detonating cord which is threaded through the hinge tube of the cluster adapter during assembly.
Old Chemical Weapons and Related Materiel Reference Guide (2018)
TM 9-1325-200, Bombs and Bomb Components (1966)