Why is your finger riding the bottom of the trigger face?
Have you ever used a Glock? How about a DA revolver?
I've often noticed that people who developed their handgun skills using Glocks could easily tend to let their index fingers fall to the bottom of the trigger face, or even drag the bottom of the trigger guard.
Revolver shooters usually don't develop that bad habit, due to the shape of the trigger, the movement arc and height of the trigger.
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Ret LE Firearms inst & armorer
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