CZ 858 magazines...

[Jamjor]

I just acquired a CZ 858, and only 1 of the 4 magazines easily goes down when I push on it. The other 3 feel like they're grinding on their way down, and i have to use 2 hands, pressing with my thumb.

Is this normal? Will they break in over time? Should I spray WD40 down there or what?

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[jmoore]

They might just need pulling apart and given a good cleaning. If that doesn't help they may just be scrap.

[sandstorm]

i had a few mags like that , no biggy , i would take it apart and sandpaper the insides close to the top and then lightly oil it .