The best replacement for p380 is lcp.

The best alternatives to p380 are rated as following:
★★★★★  lcp
★★★★  pm9
★★★★  ruger lcp
★★★  sig p238
★★★  cw380
★★★  p238
★★  bodyguard
★★  glock 42
★★  cm9
★  p3at
★  g42
★  db380
★  kahr cw380
★  bodyguard 380
  ruger lcp 380
  sig sauer p238
  kahr pm9
  rohrbaugh r9s
  s&w bodyguard
  desert eagle micro

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