"Handguns chambered in .380 ACP are small, compact, and generally easy to carry. Unfortunately, testing has shown that they offer inadequate performance for self-defense and for law enforcement use whether on duty as a back-up weapon or for off duty carry. The terminal performance of .380 ACP jacketed hollow point (JHP) bullets is often erratic, with inadequate penetration and inconsistent expansion being common problems, while .380 ACP full metal jacket (FMJ) bullets offer adequate penetration, but no expansion. All of the .380 ACP JHP loads we have tested, including CorBon, Hornady, Federal, Remington, Speer, and Winchester exhibited inconsistent, unacceptable terminal performance for law enforcement back-up and off duty self-defense use due to inadequate penetration or inadequate expansion. The use of .380 ACP and smaller caliber weapons is not acceptable for law enforcement use and most knowledgable agencies prohibit their use. For those with no other options, choose FMJ's."
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