I went to the range yesterday with my G17 and after I got bored with some slow fire work I decided to speed things up and do some rapid two shot strings, i.e., double taps. Target was relatively close, about 20 ft. I noticed that on some of my attempts the second shot was low. Not low left like for a right handed shooter who jerks the trigger, but centered below the first shot. What was I doing wrong and how do I correct it? My guess is breaking my wrist down to get back on target so I can get that second shot off, but I need you experts to confirm it. Do I need to slow down a little and practice, practice, practice?