SKU: DT-43890
UPC: 000000000000
MPN: 1156867
The First Defense .7% MK-9S HV Vapor OC Aerosol is a crowd-management spray built for law enforcement, corrections, and security teams that need volume and reach in one canister. This is an oc vapor spray, meaning it disperses oleoresin capsicum as a high-concentration mist rather than a stream, inflaming the mucous membranes and exposed skin of anyone in the dispersal zone. The 12.7 oz canister carries a .7% Major Capsaicinoid formulation and ships with a trigger handle plus a wand adapter for extended deployment. Defense Technology builds this unit for the mark 9 oc role, where multiple subjects or a moving line need to be addressed quickly.
The vapor delivery method is what sets the MK-9S apart from stream and fogger units. It produces a powerful mist effective at 10 to 15 feet, and the canister holds enough product for 8 to 10 short bursts before depletion. The trigger handle gives operators positive control over each burst, and the included wand adapter extends standoff distance during crowd-management work. Per manufacturer specifications, the .7% Major Capsaicinoid percentage is verified by an independent laboratory, and the unit is produced in a quality-rated manufacturing facility in the United States. The formulation has been tested non-flammable, so it can be deployed in proximity to electronic discharge weapons without ignition concerns. Operators who carry this canister should pair it with a dedicated oc spray pouch for duty-belt retention.
Agencies reach for the mk 9 oc when a single subject canister will not cover the situation, such as cell extractions, perimeter control, or dispersing a hostile group at distance. The high-volume vapor pattern fills space fast, which is why corrections and patrol units keep one staged in the vehicle and another on the belt. Buyers building out a duty setup often add it alongside less-lethal tools like expandable batons and electronic restraint platforms such as the Taser 7. Browse our full chemical agent selection to match canister size to the deployment.
A vapor unit like the MK-9S disperses oleoresin capsicum as a fine, high-concentration mist that fills a space, making it suited to crowd management and area denial. Stream units fire a targeted liquid at a single subject. The MK-9S vapor pattern reaches 10 to 15 feet and addresses multiple subjects at once.
The 12.7 oz canister delivers 8 to 10 short bursts of OC before depletion, per manufacturer specifications. The trigger handle lets the operator meter each burst rather than emptying the canister in one continuous discharge.
Yes. The .7% Major Capsaicinoid formulation has been tested non-flammable and is rated safe for use around electronic discharge weapons, so there is no ignition risk when both tools are deployed in the same encounter.
The included wand adapter extends standoff distance during deployment, letting an operator direct the vapor mist while keeping more space between themselves and the subject. The effective range remains 10 to 15 feet with the adapter in place.
This canister is built for law enforcement and corrections crowd-management roles where a single-subject unit is not enough. It is commonly staged for cell extractions, perimeter control, and dispersing hostile groups at distance.
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