Quote Originally Posted by mattyw1987 View Post
I've just picked up a new mountmaster 3-9x40ao to stick on my 99s and noticed straight away the mounts are two low by around 2mm so the end bell fouls on the receiver.

Has anyone else had this issue? I've had a few of these in years gone by and never had a problem before.
I would say that they have changed the mounts on the new mountmaster 3-9x40ao because I had one on my TX for years with no problems, but I am even more satisfied now with a one piece mount