Guns are certainly not as abundant as you write in your first comment. Or abundant at all

https://en.m.wikipedia.org/wiki/Estimated_number_of_civilian_guns_per_capita_by_country

Edit: oh wait you are not even the guy I was replying to. So you just came here to add nothing, make a wrong statement and insult me. How about you wait until next year, go through that history class yourself, and then you can tell us what you think about how Australia managed to implement gun control? https://www.theguardian.com/world/2016/mar/15/it-took-one-massacre-how-australia-made-gun-control-happen-after-port-arthur