Meet one of our Master Instructors: Tony Otero! Tony has been with calibers for nearly a decade and is one of our most seasoned instructors. He has taught thousands of students from military and law enforcement professionals, to concerned citizens and their families. Tony’s knowledge isn’t limited to only firearms and tactics; he is also very knowledgeable about firearm design and has armorer certifications for multiple weapons systems. If you schedule a private lesson with him, you WON’T regret it!