IMHO airsoft guns from CanadianTire is a NO! They don't shoot well, they break... simply put - they are cheap. Overall it's just a waste of your time and money.
Check here
http://www.airsoftcanada.com/showthread.php?t=58784
and here
http://www.airsoftcanada.com/showthread.php?t=29
and think twice before buying in CT
