Say: Dragunov to Barrett 50, Barrett 96B in .338 Lapua Magnum or the M40A3 used by the USMC (IIRC).
#2 THIS thread needs more gun porn!
Or at least I was, before I sold it, years ago, at a gun show, to a guy named Bob, he had on a red plaid shirt and a blaze orange ball cap, never saw him again.