Cougar, you posted this on another thread...it's still untrue.
"I would stay away from Bulgarian surplus since what I received was SMG ammo. While still advertised as "7.62x25", some ammo was made for Ppsh sub machine guns and can sieze up your slide since some rounds chamber and others are dimensionally too large to chamber in the CZ-52."
This is absolutely incorrect. There is NO SUCH THING AS TOKAREV SMG AMMO. That is a total myth. If you read East Bloc literature and the box and packet labels, and study the history of the cartridge, you will be as sure as I am. For example, your Bulgarian ammo came in 16 round packets, unless it was rebagged at some point in the US. The packet is for two TT mags. The 70 round boxes, usually marked for the TT PISTOL CARTRIDGE, are more convenient for a 70 round mag (or 2x35), but meant also for pistols. After 1940, I believe, all Soviet Tokarev ammo came in 70 round boxes, for both pistols and SMGs.