re: FBI 9MM Justification, FBI Training Division

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I have always said this and will continue to say it. It really comes down to personal preference because they all pretty much do the same thing.

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Anything is better than nothing, and .380 and .22 Magnum aren't all that far behind w penetration. They just don't have much energy.

Hornady's Critical Defense in .22 Mag 45 grain

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The top bullet is a 380 Auto 90 gr. Critical Defense round at 896 fps from a 2.75" barrel Ruger LCP. The bottom bullet is a 22 WMR 45 gr. Critical Defense round from a S&W 351 PD with a 1-7/8" barrel at 1038 fps.

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.22 WMR expanded