Seems like a real JERK! o0o I <3 drama

[Tallenn]

7.62x39 is your standard soviet small arms round, mainly used in AK 47.
7.62x54 is just a standard .30-06 round. Maybe he meant to refer to the 7.62x54R, which is the round fired from the old Russian Mosin Nagant bolt action rifle (still a great rifle, IMO).