OK, let's try this:
http://imgur.com/a/XCEF0
The one on the bottom is my RO .45, the top is the new RO 9mm. Externally I've replaced the MSH and front sight on the .45, will be doing this on the 9mm as well. Just like the arched MSH better and really don't like the ILS so I kill two birds with one stone so to speak.