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The 21-Foot Rule: What Does It Really Mean?

Most people in the defensive-shooting world have heard of the "21-Foot Rule," often practiced as...

Sheriff's Tips: Understanding the Flash Sight Picture

The flash sight picture is a defensive shooting technique that was developed by Col. Jeff...

The 21-Foot Rule Revisited

In 1983, Dennis Tueller, a police officer, published an article discussing the need to defend...