G.S.S.I is owned and operated by highly trained Law Enforcement Officers and Military Veterans. In addition, all instructors are either off-duty or retired Law Enforcement Officers. Citizens are able to learn first-hand from law enforcement officers what many classes can not offer. In addition, the level of technical expertise goes above and beyond any expectations when it comes to firearms.
GSSI has 5 star reviews all around. See the testimonial page: TESTIMONIALS
Address: 920 N. Ridge Ave Lombard Illinois 60148 United States