They’re moving the gun while they look over it. Usually the bullet’s still in the bore while they’re scoring. Similarly, when shooting at steel reactive target, shooters tend to want to see the bullet hit the steel. Well, If they’re looking at the sight, they can’t see the bullet strike
Figure 7.2 The same shooter as in figure 7.1, with a Glock 19. It is slightly thicker and longer in grip from to back, the thumb is almost too far back for proper fit. The index finger is a little short for a perfect fit to the trigger.
Figure 7.3 Jim Cirillo demonstrates trigger reset in front of a line of shooters.