Until @
Tony Mayer gets on here to speak for himself, Ill offer that I’m pretty sure I remembered a thread a long time ago where he said he can mold the safety either trapped on or off if you let him know upon ordering.
I can offer information wrt the Wing Claw 2.5 that I just received. I absolutely love it btw. I believe this holster is designed to force the safety to the disengage position upon insertion of the pistol; regardless of design, it does this. There should be no difference in safety between an M&P holstered with the safety off and one with it on. However, should you forget to deactivate the safety upon presentation, the holster has already done it for you. You retain the benefit of having the safety protecting you as you holster the pistol. This
may be why he doesnt recommend the holster trap the safety
on for the M&P, failing to deactivate it under duress or stress.