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...interesting, never heard of "Zastava" (Serbia - http://www.zastava-arms.rs/en ) - may be a crock of poo, so no idea of "performance" ; and anyway unlikely featured in top Russian PCP air rifles who mostly favor LW barrels when exporting/selling their guns to us in the West
*IF* any our Euro friends want to chance it and order a Zastava 4.5mm barrel blank as an oddity/curious experiment - see here Euro resellers:
http://www.zastava-arms.rs/en/retailers
