I can make a good case for the HiStandard derringer in .22 mag Foolproof reliability. Unlike the anemic .25, the .22 mag is a proven man killer.
Five nigs all armed with knives accost you downtown. You shoot the first one in the chest, and quickly shoot the second in the belly. The muzzle blast from the little derringer after dark is incredible. They are down! Both will probably die. The last three don't know what you are armed with. Their 2 leaders are screaming on the ground. Are they gonna take a chance and attack the shooter? Hell no, you will now see three new world's records in the 200 meter dash.
Yea that sounds like a great plan.... guess it's the results that matter.
