Critical Defense Institute, LLC.

Critical Defense Institute (CDI) is a firearms training and self-defense class provider located in Manchester, NH, serving a diverse clientele that includes civilians, law enforcement, and military personnel. With a focus on realistic training environments, CDI offers a range of courses from basic firearms handling to advanced tactical medicine. The institute boasts experienced instructors and utilizes a blend of live fire training and force-on-force scenarios with state-of-the-art equipment to prepare students for real-world situations.