THOR comes with two low profile Magpul MBUS PTS backup sights which are actually manufactured for airsoft rifles and are little bit cheaper, but you know, the titanium frame was so expensive we had to save somewere.
Upper- and Lower receiver as well as the buttstock are made from titanium for maximum durability and because it's really, really expensive.
The webpage sounds like it was written by children trying to be cool.
Can't even get their spelling correct. On an advanced gun you are really going to cheapen it with sub-par parts?? Come on.
Looking at the other stuff they do, can't figure out if this is legit or not.