Department of Defense Nonlethal Weapons and Equipment Review

Aerosol Disburser, OC/CS, MK–9
Manufacturer: Defense Technology Corp.
Approximate Cost: $26.20 (live OC)
Participating Law Enforcement: U.S. Marshals Service, Seattle
Special Weapons and Tactics Team (SWAT), Philadelphia SWAT
Description: This medium-sized chemical disburser contains compressed carbon dioxide
propellant with either oleoresin capsicum (OC) or CS chemical agent designed for crowd control.
The spray pattern is a high-velocity mist that is effective out to approximately 5 meters.
Operational Capability/Use: This lightweight device is intended for use by formations
conducting crowd control and law enforcement operations. It may be operated by one individual
and is easily refilled/pressurized with available maintenance equipment. The disburser provides
small-unit self-defense capabilities against large crowds and an offensive capability to clear
crowds from critical areas.
MK–4 Handheld OC Dispenser
Manufacturer: Defense Technology Corp.
Approximate Cost: $7.29
Participating Law Enforcement: Seattle Special Weapons and
Tactics Team, Chicago Police Department
Description: The MK–4 riot control agent dispenser contains an all-natural, water-based irritant
formula consisting of oleoresin capsicum (OC). It can deliver twenty 1-second bursts out to 15
feet.
Operational Capability/Use: This individual riot control agent dispenser is intended primarily
for self-defense or to keep rioters out of arm’s reach of those conducting crowd control
operations or engaged in missions where a noncombatant threat exists.
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