If your concern is about size in order to reduce print there are good options out there like a Ruger max or Springfield Hellcat. There’s smaller. 380, but it’s all about preference and what works for you.
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Ima stay with 9mm with double stack magazines. I’m satisfied with that🙂
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There are some older threads that you can read through. Everyone has an opinion. Go try out some different models and find the firearm that fits you. If you can hit what you’re aiming at, you’re doing alright.
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No. Not even .22.
But the question was if it’s “effective”.
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Whatever works for you. Dress for the occasion.
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.380 is great for females.
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.380 & 9mm are technically almost kind of somewhat nearly just about for the most part basically sort of the same.
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When in doubt get both.
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Most self defense shootings happen at 1 to 3 yards. Just saying! I would use my .45 out to 50 yards but, no further!
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.380 should be just fine 
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