Hey TBD, welcome! Definitely no need to be a member of a team to sign up to a game day, all are welcome. The game day on the 14th is at Maple Ridge Paintball, unfortunately they don't have rental guns, but we have members who will rent out a gun+mags+goggles in most cases. Best bet is to post on the Game Day Rentals forum:
viewforum.php?f=39In the post say what you'll need to rent and someone will usually PM you with details of what they have and the price. I personally won't be able to attend that game so I can't offer up a rental but I'm sure someone will be able to help you out.