Gary O’Brien has over 40 years of firearms experience. Over this time he has worked as a sales consultant at Bullseye Castro Valley Gun Shop and as a Range Safety Officer at San Leandro Rifle and Pistol Range

NRA Certified: Pistol Instructor, Home Firearm Safety, and Range Safety Officer.

State of California: Firearms Instructor, Handgun Safety Certificate Instructor.

Armed Citizens Legal Defense Network, INC: Affiliate Firearm Instructor, member and recruiter.

Gary has been involved with Urban Shield, local S.W.A.T. teams, and the F.B.I. as an active shooter role   player, during force on force training.





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