Is it really necessary to keep selling ar 15 style rifles or any guns that are like it?

I support having a handgun for protection purposes. But with all the mass shootings frankly I'd be just fine seeing AR 15 style weapons not being sold to civilians anymore.
The only people who specifically use those for anything are people that are actually in a war, or people who intentionally plan to cause mass casualties with it like say people in street gangs, or people intentionally wanting to threaten people like those storming the capital or some people wanting to threaten poll workers. I support that weapon being used by police or people in legit war scenarios. But I just don't see a need as for why a civilian in their everyday harmless life to legitimately need a gun like that. I think the only other reason as to why people want to keep it is because they are just addicted to it, in such a way that they think they need it but don't need it really. Someone's gonna say they live in a dangerous neighborhood and "need it" when really all they need is a handgun because it's practical.
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I just don't want you or anyone you love and care about to have to try and survive a nearly impossible to survive mass shooting scenario
Is it really necessary to keep selling ar 15 style rifles or any guns that are like it?
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