I carry a pair of North American Arms Black Widows in 22 magnum and I feel safe.
I have good shot placement out to 15 feet. That is with one hand (either hand). I feel this is a good defensive distance.
Soon each will be issued 30 rounds a month.
When that 30 is gone, you will have to wait until the first of the next month to get another 30.
Or have someone back home send you a case.
Oh, that's right. There is an ammo shortage here.
I carry a 380 backed up with a NAA 22 mag mini.
Hornady Manufacturing Company :: Ammunition :: Rimfire :: 22 WMR :: 22 WMR 45 gr FTX® Critical Defense®
That is why.