If so, which one(s) do you have?
Personally, I own a Glock 23, although I don't actually have it at home with me because I'm a college renter and my landlord doesn't allow weapons on the property. It's a reliable home defense pistol that you can easily carry concealed (although I never have) and it's a good value price-wise.
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Actually never shot a gun. I always wanted to though. I'd feel a bit safer keeping a glock in my car. There's been 4 mugging and 5 -blam!-s on campus at my college in the past 8 months. I'm not really worried about the as I am a 5'11 muscle bound guy, but that won't do anything against a bullet or a knife