Anarchy Outdoors CZ 455/457 3 Round Mag Extension

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(5 reviews) Write a Review


This Mag extension will increase your mag capacity by 3 rounds. Installation is fast and simple, just remove the mag base plate then slide on the mag extension. Meticulously designed and manufactured with precision in the USA.


We pride ourselves in our ability to deliver high quality, precision, cutting edge gear for any firearm enthusiast.  Enjoy purchasing Anarchy Outdoor products with confidence knowing all Anarchy Outdoors’ developed products come with a Lifetime Replacement Guarantee.


  • 5
    Mag extension

    Posted by Joe Gigot on Feb 1st 2023

    Works as it should

  • 5
    Cz 457 3 round extension

    Posted by Martin Allen on Jun 7th 2022

    Good product, easy to install, just watch one of the YouTube videos.