Defense Technology 56045 MK-4 Stream OC/CS Gray Band Pepper Spray The worldTMs most widely used pepper spray in law enforcement and corrections, First Defense has just gotten better. With our complete line of aerosols, we offer an OC level of intensity ranging from .2% Major Capsaicinoids to 1.3% MC. The variations in the MC% means that you can now select the level of intensity of OC for the environment required. We use independent laboratory testing to ensure consistent quality of each product. Defense Technology 56045 MK-4 Stream OC/CS Gray Band Pepper Spray Features: Formulation Weight: 3 oz. Delivery System: Stream