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Old 01-08-2020, 11:14 PM
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Echo40 Echo40 is offline
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Question Do Energy Foot-Pounds matter?

Ever since the FBI dropped .40 S&W in favor of 9mm Luger and subsequently stated that according to experiments they had performed, 9mm Luger was equally effective as .40 S&W and .45 ACP, there has been a growing sentiment that Energy Foot-Pounds just don't matter. After all, .40 S&W and .45 ACP deliver anywhere from 150 to 250ft-lbs of energy more than 9mm Luger, so it it's just as effective, then obviously either Energy Foot-Pounds don't matter or otherwise the higher number of ft-lbs generated by larger caliber handgun cartridges isn't enough to make an appreciable difference in ballistics performance.

So that begs the question: Do Energy Foot-Pounds matter? Are they an accurate measure of ballistics performance? And if so, at what point do they begin to matter? How many Energy Foot-Pounds does it take to make a difference in performance?
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