He encontrado por ahi esta tabla de compatibilidades para los cargadores de AK segun fabicante de replica y de cargador
AK Magazine Compatiblity
TM, CA, ICS Compatible
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Tokyo Marui
Classic Army
ICS
STAR
G&P
Echo1
JG
King Arms (Designed for TM unknown if they work for other brands. I recommend against them strongly. King Arms mags have very weak springs and are crummy mags in general)
VFC Compatible
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VFC
MAG
STAR (Maybe wobbly)
G&P (Maybe wobbly)
G&G Compatible
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G&G
Tokyo Marui
MAG
SRC Compatible
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SRC
MAG
Echo1 (Maybe wobbly)
JG (Maybe wobbly)
G&P
Tokyo Marui
Dboys/Boyi/ Kalash Compatible
--------------------------------
Dboys/Boyi/Kalash
MAG (Modification to the magazine catch tab maybe necessary)
CYMA Compatible
--------------------------------
CYMA
MAG
JG/Echo1 Compatible
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JG
Echo1
MAG
Tokyo Marui
Classic Army
****NOTE****
Not all magazines may work for the AEG brands listed since each gun has its own uniqueness so slight modification may be necessary to insure a proper fit.