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The velocity you are getting from IMR4350 and 165gr bullets is nearly 100fps faster than any of my reloading books suggests, with a 24" barrel. Is your barrel longer than that? QuickLoad is suggesting you would need 59.5 grains of powder, or 107.5% charge capacity, with a 24" barrel, to achieve 2925fps. That is more than 4,000psi over recommended maximum. PLEASE DO NOT READ ANY OF THE ABOVE AS A RECOMMENDED LOAD!

If you're getting a chronographed velocity reading of 2900+ with a 165gr bullet, and good accuracy, there's no need to look any further. Just be careful because something really doesn't seem safe about that kind of speed with that weight bullet, out of an '06.
 
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