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Backup-Universal 9/40/357 Double Stack

HolsterCo LLC

Backup-Universal 9/40/357
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The HolsterCo "Backup-Universal 9/40/357" is a single magazine carrier for comfortably carrying additional rounds.

The "Backup-Universal 9/40/357" features adjustable retention via the MRD (magazine retention device) which means it will fit nearly all double stack 9/40/357 magazines with minor adjustment, and is available in all colors on our color chart and attaches with the original FOMI clip (iwb or owb).



Mag Carrier is compatible with "all" 9mm/.40/.357 sig double stack magazines including but not limited to:


  • CZ
    • P10C
  • Glock
    • G17
    • G19
    • G22
    • G23
    • G26
    • G27
  • H&K
    • VP9
    • VP40
  • SIG
    • P320
    • P365
  • S&W
    • M&P Compact
    • M&P M2.0
  • Springfield Armory
    • XD
    • XD Mod 2
    • XDM