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by
Nick,
Verified Owner
from RI, United States
Written on September 30, 2022
It's a standard 20 round mag for the fn57 that they put a plug in it so that it only works for 10 rounds. I guess that's all they really can do cuz they probably have a ton of 20 round mags it works fine in my gun, ejects perfectly thank you
Would recommend: Yes
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