Critical Defense Group, Greenville

A member of the US Marine Corps and Marine Corps Reserve from 1988 until 1996, Mac Mackinzie’s time in the service jumpstarted a lifelong passion for training students of all skill levels in the importance of safe weapon handling. At Critical Defense Group, the certified instructor leads courses that cover subjects from basic safety and shooting fundamentals to more advanced techniques such as speed reloading and shooting while moving. In addition to groups, Mac meets with students one-on-one to help eliminate poor habits and explore topics of their personal interest. When he’s not training citizens, Mac also works with military, law enforcement, and security personnel to further their skills in areas such as force on force and protecting executives, dignitaries, and celebrities.