I went to a gun show and bought a rifle. it is an M38 russian bolt action rifle. any one know about these? they use 7.62x54 rounds and i was wondering where would be the best place to get there and if u can use any other types of ammuntion (more common?) for these?

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198? 300D ???K - Future DD
1989 300TE 285K - traded in '12
1984 300SD 186K - Sold in 08
1978 300SD 330K - Died in 05