the ballistics of .380 have improved, just as its cousin 9mm has over the last 20 years.
But there was a time where people thought that in colder climates, heavy jackets, additional clothing layers, etc would stop .380 from penetrating to organ depth
But in warmer climates such as FL and AZ, .380 has always been popular
my first gun was a $49 Raven .25, and as Massad Ayoob wrote in his book " In The Gravest Extreme" a .25 is a nice thing to have when you don't have a gun.
When I worked for a certain MA agency in Roxbury and was not allowed to carry a gun, I normally had that Raven in my pocket.
Before they were deemed an AOW, there were holsters for those pot metal POS semi automatics that looked like a wallet and the gun went into it, with a hole for the trigger.. you'd carry it in your back pocket. a "one and done" shot as the slide would not cycle
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