On the plus side, in addition to generally being a better stock (more cheek weld, sturdier, balance), you can buy an aluminum toothed strike plate for it. I want one, because reasons.
Thankfully, the flatmate is looking to begin building his own AR.
Edited because McThag complained of the lack of pictures of something I don't yet have to take pictures of, and was planning to do when it actually arrives. Here's what it'll look like when it arrives before it's mounted.
And with the strike plate