u/Agitated-Heron-4320

Hey everyone!

Just bought my first place and am wanting to get something for home defense purposes,

I currently only have a smith and Wesson SD40

I was looking at either getting a shotgun or an AR of some kind- I’m
Not too keen on specs of firearms, I’m barely ever home and barely have chances to actually go shoot whatever I do end up getting. What would be your recommendation ? I am trying to stay under $600

Thanks for all the advice in advanced !