the only problem i've ever had with my SKS is feeding problems and that's from me swapping out the factory mag for a detachable. if it can make it into the chamber, it's fired. and i've always bought the cheap crap from where ever i could find it. i used to live near an Academy and they sold this stuff for $2.99 a box. man, i might slip it to my mama if i could get 762x39 for that now.