The AK Speed Loader Version 2 is designed for AK 7.62X39mm type magazines. The AK Speed Loader will load magazines with AK 10 round stripper clips (NcSTAR AAKC AK stripper clips) or you can load up to 10 individual 7.62X39mm cartridges at a time onto the ammo tray, which is accessible from a sliding tray door. AK type magazines (both polymer and metal mags) securely attach to the AK Speed Loader via a spring loaded metal magazine catch & release lever.