Re: 264 win mag loads
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I have a factory model 70 with a 26" barrel in .264 WM and I'm shooting the 140 Bergers with healthy doses of H-870. Average velocity is 3248 fps.
Yes, there is a big difference between 3248 and 3300.
Have you tried r-22, IMR7828, H1000, R-25 or even retumbo? I believe in using slow powders and burning more. That is up to the point where the powder is so slow that your loosing velocity.
I would like 8 pounds of h870 to use in my 28 inch barrel 30-378 if I was loading 240 grain bullets
I would have never thought H-870 would have been my rifles powder of choice but it is. I consider myself fortunate to still have an 8lb jug [img]/ubbthreads/images/graemlins/grin.gif[/img].
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.270 Ackley improved 29 inch 1.250 dia. target barrel 7mm STW 28 inch 1.250 target barrel. I also love my .458 mag for varmints and the biggest game in the world.