Why not just carry a gun?

The 3 most valuable firearm skills are the ability to access, deploy, and retain your weapon. Weapon retention is the most important of the 3. Most people do not train for this.
Even a highly trained professional, like a policeman, who works with a gun every day, is at risk of losing their weapon to a criminal.
Killing paper at the range is easy, being in a live shooting situation is completely different and we demonstrate this in your first COBRA class.