Like Steelslaver, I practically wore out a Model 18 in my early LE days and it greatly improved my shooting. Now I still shoot a Model 34 & 63 J frame in practice since I mostly carry J frame 38s and I close out my practice by firing them.

Practice makes perfect and the more the better. I tell my students in training that finishing the class is the start not the finish of their firearms
preparation.

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SWCA 3417 HF 642 NRA-TC