PC 15-22 VS standard 15-22

[donsvideo]

How much more accurate is the performance center 15-22 from the standard model. I am thinking about trading mine in for one.
Thank you for your help

 

[ChattanoogaPhil]

http://smith-wessonforum.com/smith-wesson-m-p-15-22/265810-pc-vs-standard-version-15-22-a.html