Training
Taught by people who've done the job.
CMI instructors are current or retired law enforcement officers, military veterans or corrections officers. Citizen, law enforcement, military and armed-security programs.
Coming up
All programs
Prices and dates are the ones Center Mass has posted (schedule as of early October 2026). Past dates drop off this list on their own. Meet the instructors · Training policies · Law enforcement schools
Shooting league: schedule and how to join →
Armed security organizations
You manage your people. We'll manage the training.
Qualifications, new-hire training and documented, defensible records.
Security team training →
October 17, 2026 · Commerce Twp., MI
National Patrol Rifle® Championships
America's oldest ongoing patrol rifle and active assailant training event.
About the NPRC →