I hear this from the leftist idiots all the time. Why do you need and AR15? If someone breaks into your home 6 bullets are enough. Well if its a one of I would argue that I still my need more round for even just one person. Even people who train regularly under pressure will miss when shooting. But when its hundreds of people or thousands 6 or 10 rounds may not work well. An AR or AK with a nice drum or two will make rioters and looters think twice. The riots have shown some liberals that the cops can not and in some cases will not protect you. When push comes to shove only you can protect yourself. Remember better to be judged by 12 than carried by 6.
If you are sitting on the fence its time to ammo up and buy an AR or AK. I have both but recommend an AR15. The 5.56 is easy to shoot. Has little recoil and even with a 40 round mag is not all that heavy maybe clocking in at around 10 pounds or a bit less. A nice set of Magpull sights and Bushnell TRS25 and 16 inch barrel is also a plus. The AR is designed to be a modular rifle. It can be personalized into many configurations to fit your needs and likes. You can even buy a 22lr conversion kit so you can shoot cheap and at some ranges that will not allow 5.56 or rifle rounds. I am as of now a net seller. I bought up when prices were so low it was insane as TV sales commercials will say.
Ammo is up right now as are AR uppers and lowers and full rifles but can still be bought. Ammo is available but not for the 16 cents a round it was several months ago. We have an election where one side wants to ban guns and make sheep out of citizens and the Corona virus and the BLM terrorist and other orgs that want to destroy the USA. Not saying it will happen them destroying the US but prices and availability of guns are drying up fast.
After Sandy Hook it was almost 5 years before you could get an AR15 at any kind of normal price.