If your bullets are going to impact on big game between 2100 and 2800 fps, Sierra boat tails work approximately as well as anything. Above that, they tend to fall apart, and below that, they won't open reliably. For my 30-06, that means that a 180 grain bullet works well from the muzzle to 400 yards.
The red, yellow, and green boxes of standard bullets perform very much alike over that range.
Sierra has a reputation for excellent accuracy. That makes them a good starting place for rounds the test a new rifle, and for general target shooting.
If you want to open up your performance window, Nosler Partitions are an excellent choice. They also have a reputation for accuracy, and they open at 1800 fps and hang together well at up to 3100 fps.
At the same impact speeds, Partitions make about a 3" longer hole than Sierras... 18" vs. 15". Extra wound channel length is only helpful if your animal is thick enough for it to matter.
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