I typed in 'gas port' into the search engine on this forum, here's what I got:
http://www.quarterbore.net/forums/se...?searchid=7993
I've read all of the posts on 'gas port' and the best that I can conclude is that the 'pistol location' is preferred.
Let us know how the barrel from Pac-Nor works out for you. They should be able to place the gas port anywhere you request and mount an adjustable gas block for you.