Orange tip is NOT required
there are stores in canada which sell airsoft guns and gear
we cannot tell you where or how to buy guns as per site rules until you are age verified
see this link here : http://www.airsoftcanada.com/showthread.php?t=11474
As for where to play there are games posted here : http://airsoftcanada.com/forumdisplay.php?f=68
Read a few threads in the FAQ section and newbie tank.
Also PLEASE PLEASE PLEASE use the search function.
Oh, and welcome to the site.