Ordering a M&P9 w/ Apex parts

If I order a M&P9 with the Apex DCAEK, I don’t need to select the striker block and sear separately, correct?

I wanted to check this as well. Not to steal the post, but what does the Polish/Trigger Job w/Apex Components do?

Correct.

C4

https://www.m4carbine.net/showthread.php?t=56873

Basically, it cleans up the trigger pull.

C4

I ordered my mid M&P 45 with the full kit and polish. While the hinged trigger has a different feel, the break is as crisp as my custom 1911 triggers. It is well worth the money. An added benefit is a more positive reset.