Sure. That's a great question. It's one of the important questions that I know you're all trying to tackle here.
I'll take your example of detachable magazines. Something that's really important to remember is that almost every type of firearm, particularly semi-automatic firearms, can be modified by people with a minimum of know-how. Take a look at detachable magazines. In Canada, a centre-fire semi-automatic rifle is already limited to a five-round magazine. If you possess a magazine of 10, 15, 20 or 30 rounds, even if you don't put it in that gun, you're committing a criminal offence.
Remember, some people aren't deterred by that, so let's go to the next stage. You talked about how some firearms appear to have a base plate that cannot accept a magazine. All of those can be swapped out. You can just go online and do a little bit of googling. I happen to have a little expertise, but you don't even need much gun expertise to know that all those firearms can be adapted to accept magazines. To me—