The VCRA relates to sales, imports, and manufacturing. You can go to a site and rent and play without becoming a registered skirmisher.
Without going into massive detail the folks over there have a self policing system like our age verification run by the sites and players. Except their setup is recognized by the government at all levels.
There's are classified threads on the UK sites. 90 (pounds) for a new JG G36, 120 used TM G3 SAS, 500 for a Systema PTW CQB-R package, 200 used VFC AK-74U package. I think you're getting the picture.
The only painful part will be leaving it all behind.