Serbian Krinkov Parts Kit with 4 original M85 30-round mags - $479 for members only with coupon SK662
If you are not a member @ Sportsman's Guide, you can join for $30 and you will be offered free shipping ($20 savings), so essentially it will only cost you $10 extra
Alternatively, buying complete M92 or M85 pistols for around $560 might be a better option for some people....
Century Arms PAP M92 PV 7.62x39mm 30 Rnds - $557 + $5.99 S/H
In Stock - Yugo PAP M92PV Pistol, Krinkov style pistol, 7.62x39, Zastava Serbia Mfg. - $549.95