First Defense Mk-4

A very effective force option, this inert product is a key part of training in the proper presentation, application, and control techniques each officer should understand. The First Defense brand offers an OC level of intensity ranging from .2% Major Capsaicinoids to 1.3% MC. The variations in the MC% means that you can select the level of intensity of OC needed. First Defense is uses independent laboratory testing to ensure consistent quality.