L3I magazine extension offers the ability to increase the capacity of your 10 round CZ 457/455/452 polymer magazine by an additional three rounds, giving you the ability to take those extra crucial shots without the need of a magazine change. The extension is made a polymer material using additive manufacturing processes (3D Printing). The extensions are durable and functional. Due to the manufacturing process some surface irregularities might be present.
Reviews
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L3i +3 Magazine Extension - CZ
Installed extension per suggested video. It would only feed 7 or 8 rounds and then the spring would bind. Tried several time with no luck. Contacted Manufacturer and they had a suggestion, but that didn’t help. Aaron replaced the L3i extension with one from Anarchy Outdoors and it works fine. Thanks for stepping up Aaron. Will use A&J for my needs in the future.