Caleb Downing 07.05.20 Dave Propri SDI is really worth the time and worth the investment. I don’t know where you’d get this caliber of education and knowledge in the package you can get it in at SDI. RELATED STORIES Firearms Tech Military and History The Army Breaks It Down: How to Shoot Artillery read more SDI News SDI Press SHOT Show®: Lessons from First-Time Attendees read more Firearms Tech CZ 600 Trail Bolt Action Rifle read more