BYRNA MAX PROJECTILES 25 COUNT. The most powerful proprietary pepper and tear gas blend: OC, CS all in one shot, with quick-acting incapacitating effects, higher dispersion, and higher concentration of chemical irritants than any other round found on the market today, the Byrna Max projectiles are designed for maximum stopping power. Burning in throat, Wheezing, Gasping, Dry cough, Shortness of breath, Gagging, Inability to breathe, Nausea, Burning of the eyes, Burning of the lungs, Chest tightness, Excessive salivation.