Here is another video with Tim McMurray where he takes a quick look at a McMurray and Sons (Mac 1) Avenger conversion and talks about some of the upgrade options.
Here is the Avenger Tim was looking at (sold a while back):
http://baccipaintball.com/t392.html
Find this post on facebook at:
https://www.facebook.com/baccipaintball/posts/163146127173103
Find Dan on google Plus at here
