Originally Posted by got wake?
Different milling, same gun internally. They both come with the VIS and VCOM engines.
If purchased new or more correctly if manufactured new recently. Most Vcoms out there right now will have the same Spool Engine, but will have the old Super Charged engine in place of the VIS. Any Vcom manufactured very recently will have the VIS engine included. I'm sure one of the BLAST guys can give us a date the old SC engine production stopped.