M&P Compact + full size barre, will it work?

[JoeyEcko]

I was wondering if an M&P compact will work with the full size barrel 4.25" or even an 4.5" barrel so that It may be as acurate. That would pretty nice in my opinion.

 

[dannybot]

Yes, I have dropped a 4.25" from my FS into my 9c just 'cause I can...

 

[cracker57]

my ? is Y would you want to.