The DMS scope looks like it's shifted forward too much in A3 if used with Mk18 ABR (Mk14 EBR), which looks odd and wrong.
Here how it looks in A3:
http://steamcommunity.com/sharedfiles/filedetails/?id=325954953
Here is how similar config looks in real life:
http://upload.wikimedia.org/wikipedia/commons/1/15/Mk14_EBR.png
Though it's definitely not top priority and only cosmetics I think it would be nice to see it changed.