I just picked up a 930 JM Pro to use for 3 gun and so far I like it.
I only have 50rds through it but it worked perfect out of the box even with the lightest loads.
The only thing I don't like is the cut out on the carrier, it grabbed my thumb a couple times so I'm sending it out to get welded up.
"The American people will never knowingly adopt Socialism. But under the name of 'liberalism' they will adopt every fragment of the Socialist program, until one day America will be a Socialist nation, without knowing how it happened." --Norman Thomas