The 160 Speer in a 7x57 is a fine killer. Would be the same in a 7-08. The 140 .264 bullet seems to be the same in the 260 Remington. Just plain works. I'm a hunter and judge bullets by the measure they work in the field. The 200 Speer in 30-06 and also in the 8x57 Mauser are both fine killers.
