This just an uneducated guess . Part of it may be that the cost of the M&P in .22 caliber reduced the profit margins for S&W. Also lots of cheaper choices for .22 plinkers for general market .

The other part is that training is expensive. Hourly costs incured by Officers and Instructors, ammunition costs, range construction, outfitting and maintenance can add up.

Then also training time away from duty can run departments short on shifts.

It seems like since TR first mandated revolver practice for NYPD ,LE Administrators have viewed sidearm training as a necessary evil. Of course not realizing always that lack of proper training increases the government entity's, the department's, and those same administration's liability greatly.

If S&W ever does decide to resurrect the Model 45 I hope it occures after the funeral of the lock.

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LEX ET ORDO