Gunfu 101: The 21-foot rule says a knife attacker can cover 21 feet in about 1.5 seconds, roughly the time needed to draw and fire. Dennis Tueller’s 1983 drill isn’t a magic number. It’s a warning: distance, reaction time, and awareness matter.
Gunfu 101: The 21-foot rule says a knife attacker can cover 21 feet in about 1.5 seconds, roughly the time needed to draw and fire. Dennis Tueller’s 1983 drill isn’t a magic number. It’s a warning: distance, reaction time, and awareness matter.