Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
I believe the 2015 MBP SSD is of a design that is proprietary (to Apple ), which means that most (virtually all?) adapters (like the one to which you linked) WON'T WORK.

The OWC enclosure will, and because it's purpose-built, that's why the price is higher.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.