I had the Hero Arms Ak 3000 Drum mag ( which looks to be identical to the on pictured here)
Had to have my "gun guy" mod the lip to fit against the G&P metal frontset+body conversion kit.
And even then, it wouldnt feed a single shot ever.
Possibly I just got unlucky.
1% blood 99% Maple Leaf Syrup
Member of blackwatercrg.com - Holland