sniperology updates
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Run by former Navy SEAL Brian Deshi, Change of Behavior delivers high-angle precision rifle courses in Southern California with access out to 2,400 meters.


Change of Behavior is a Southern California-based training company founded and led by Brian Deshi, a 23-year U.S. Navy SEAL veteran with extensive Special Operations experience and multiple combat deployments since 2002. A certified Master Training Specialist, Deshi has trained elite military personnel, law enforcement, and civilians using a data-driven and subconscious-performance methodology that breaks conventional norms.
The school focuses on precision rifle instruction that blends science-backed performance coaching with proven tactical fundamentals. Training takes place on two private San Diego County properties, featuring natural terrain, high-angle shooting, and targets beyond 2,400 meters, with over 3,500 shooting positions available.
Training Courses include:
The type of training covered by Change of Behavior, such as advanced terrain and distance capabilities, is well-suited for serious civilian shooters and tactical professionals seeking real-world application over flat-range drills.
If you're looking to train beyond the square range and push your limits past 2,000 meters, Change of Behavior is a standout choice.
Varies during courses


Master ballistic fundamentals, spotting, and wind calls in this 2-day scoped rifle course led by a former Navy SEAL.

Challenge your limits with 360° field-of-fire, high-angle shooting, and stress drills in this advanced sniper course.