How about some straight info on the subject?
What I have came packed in 70 count brown boxes stamped in red " 7.62 mmnaboje pisteletowe -70szt-"
Head stamp reads "21" at 12 oclock and "55" at 6 o'clock,
Who made this stuff? Is it safe to shoot in the pistol?
I'm assuming it's corrosively primed, and it is berdan primed. I've fired 14 rounds through the gun and about 50% of the spent rounds have a cracked neck after firing. Is this just a relic of old brass and not a problem?
I just want to shoot the gun and use the ammo I have if it's safe.
Thanks for the help!!

