He's almost pretty enough to ...
I'd rather see pictures of your MB 190 -- but that's almost as OT as pictures of
The magazine will drop faster and you will recover the sight picture faster if the pistol is kept pointed down range and at eye level.
The left thumb changes from the first image to the last.
Ditch the Foster-Grants. Your pupil will be smaller, giving you a greater depth of field. They won't be available when you fight as you train.
Ditch the muffs lest you flinch without them. Fight as you train.
Relax your face. Tension anywhere is distracting and tiring.
Your right foot may be too far forward for a Weaver Stance. As you draw, take a half step forward with your left foot/weak side.