Posted on Jan 11, 2022

An Official Journal Of The NRA | How Does a Short-Barrel Affect .45 ACP Ballistics?

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I found this to be very informative.
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An Official Journal Of The NRA | How Does a Short-Barrel Affect .45 ACP Ballistics?

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Posted 3 y ago

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SGT Steve McFarland

Posted 3 y ago

All calibers' performances are reduced by short barrels, which is why Hornady makes two different 9mm defense rounds, Critical Defense for compact and sub-compact pistols, and Critical Duty for full-size pistols. Short barrels don't allow all the powder to burn completely before the bullet is expelled out the muzzle, reducing ballistic performance.

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