firearms are a very emotional topic for many. But even if looked at C-71 more or less rational there is flaws in it. If you have a few minutes to spare please read this blog article and if you agree in the general view express your support by going to onevoice.
At the very least if your support the cause please consider signing https://petitions.ourcommons.ca/en/Petition/Details?Petition=e-1608
which is not taking much of your time at all (1 min and then a confirmation email).