What is the best handgun caliber? This video from Rational Preps uses the data from Greg Ellifritz’s 10-year stopping power study of real-world gun fights to shed the light of actual data on several common beliefs about handgun calibers including: 22 rifles are the best bug out guns, 45s have the best stopping power, 380s are too small to be effective, 410 guns are gimmicks, and more.

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