The other unaddressed question is about the attitudes of the old folks .
Do they * Want * to be armed , or is this all your idea ?
Somebody spent 65 plus years on this earth , never handled a gun , nor had a desire to previously ? Did they have a sudden ephifny on their own , or are they just humoring you ?
In my case, my FIL was armed and my MIL was comfortable with that (he had a .357 that was too much for her to handle even with .38s). After he passed, she started to wonder what would happen if her home was broken into (they had a couple of instances where their detached garage was burglarized, but thankfully not the house). So she asked me to help find something that would work for her.