I've noticed that there's a few folks that now offer up services to ream out existing barrels to take Freak inserts. It may well get down to the point where that's the best option. Especially with older stock barrels that need to fit the body and pump handles.
I had a "Paintball God" moment once.
Like Al Bundy's Polk High football moment I live on
for the slim chance of repeating that one time
miracle in some small way.........