Bought 3 S&W 10 round magazines for my new MP22. Saw a video showing how to take them apart , remove the alum. plug in the bottom of each mag and viola you have a 12 round mag. I've taken mags apart before. But the push button on the baseplates of these do not push in. Didn't want to apply any force and destroy them. Anyone dealt with these or know how to get them apart?
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