I need some help solving a mystery. I recently got 4 spam cans of what was supposed to be 7.62x39. Well two are for sure 7.62x54r and one is for sure 5.45x39. The fourth is otherwise unmarked. So the 5.45x39 1080 rounds weighs more than the 7.62x54r 440 rounds and comes in at approximately...
I need some help solving a mystery. I recently got 4 spam cans of what was supposed to be 7.62x39. Well two are for sure 7.62x54r and one is for sure 5.45x39. The fourth is otherwise unmarked. So the 5.45x39 1080 rounds weighs more than the 7.62x54r 440 rounds and comes in at approximately...