I recently took possession of a brand new M&P PC 9L, and the first thing I did was order an Apex ram and an Apex striker block.
The ram I need, the reset is not audible (very short but not audible) but when the USB arrived it looks identical to the striker block that's already in there, it's already nicely rounded and polished. So I'm wondering, is S&W using the Apex USB's in the pc M&P's now or are they just machining theirs much better now in the pc shop?
my trigger pull is right a 5 pounds, I've put about 800 rounds through it so far and honestly it I could get it just one pound lighter and get that reset I'd be thrilled with it. It's not gritty and already has a crisp break to it (really by far the best stock M&P trigger I've ever fired).