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Reviews by Real human being

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Works great

Written on Aug 05, 2025

They all look good so far. Allowed me to affix my muzzle device nice and secure without using too much torque, will see how they hold up over time and adjust my review if necessary.

Works OK, not reliable enough for EDC

Written on Jul 29, 2025

There are two different revisions of Glock mags - they work with the first but they only get +2 or +3 capacity with the second. Additionally the stock springs are not reliable with these extensions, so I got extra power springs and gutted the extended spring pieces in these extensions and they now feed reliably. However, it would have been cheaper just to get shield arms magazines in the first place. I've had no reliability issues with those and they have a smaller footprint than these extensions. Unless your EDC is perfectly flat against your body these stick out like a sore thumb.

+3, not +4 out of the box with 02 mags.

Written on Aug 15, 2023

This product still advertises +4 capacity even though the only mags you'll find for the 43 today are the 02 version. 01s haven't been on any shelves I've seen for a while. In order to get the +4 capacity with the 02 you'll need either an 01 spring or a high-power aftermarket spring. I was able to get a long +15% power spring and cut out the plastic indent on the bottom so the spring sits against the bottom of the extension. You can find other extensions that don't have this issue since they supply their own springs, but this one does not. Despite the capacity issues, it's a very good conceal carry extension and does not snag or hurt when carrying in the front. It does look kind of stupid, but if we're being fair so does the stock 43 mag.
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