I'm really not big on the new model. I don't get how the sights actually make sense. For some reason, I actually liked the brick sights in the previous patch over these:
I think the M9 model in PUBG would make more sense overall:
And then of course there's my dumbass who likes equipping cheapish weapon skins:
The M9 in PUBG just feels more like an actual M9. handles like trash though
EDIT: Looking over this they actually look kinda similar sight-wise. I'd be nice if the sights in Sandstorm were just a bit easier to see.