I was taught the Double Tap (Hammer Pair) when in the Marine Corps infantry. Here is a better method I have recently adopted. cettwy.com/scheduled-courses/ #cettwy #firearmsinstructor #tacticaldrill #gunfighters #training #usmc
Reactive vs predictive shooting. Target focused and train your distances, predictive is just as accurate once you get good at it. At 15-20 yards you start to shift from predictive to reactive, ie wait to confirm sight picture.