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


The Advanced Sniper Course is held at a private 360° natural terrain range in Valley Center, CA. This 3-day course is designed for experienced shooters who’ve already completed a formal 4–5 day sniper or precision rifle program.
Training focuses on:
Expect to fire approximately 400 rounds. Total course cost ranges from $750–$1,250, depending on final logistics. Payment is due in person, with limited spots available.
Instruction is led by Brian Deshi, a 23-year Navy SEAL veteran and Master Training Specialist, bringing elite-level coaching to every shot.
Built for snipers and advanced marksmen ready to train under complex field conditions.


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.
Oceanside, San Diego, CA, 92057