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has anyone used IMR4831 with 210 Bergers in a 300WSM?

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Old 02-26-2014, 12:54 AM
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Join Date: Apr 2009
Posts: 895
Re: has anyone used IMR4831 with 210 Bergers in a 300WSM?

Originally Posted by hawk4974 View Post
We loaded some 200Ab's @ 68gr so we'll see what happens. We don't have a chamber calibrator so I couldn't tell you the OAL to get .015 off the lands...
You might need to adjust your seating depth, but your powder charge at 68.0 should be right there. You'll probably be right around 2900 fps +/- depending on your barrel length.
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Old 02-27-2014, 02:32 PM
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Join Date: Feb 2014
Location: Mesa, AZ
Posts: 83
Re: has anyone used IMR4831 with 210 Bergers in a 300WSM?

67gr was actually right on the money. I stacked the first two and the third was about 1/2" off but I know it was me that did that. When I shot the 68's the group opened up to about 1". I have a 20" Browning x-bolt. One of these days I may invest in a chrono but I'm more interested in accuracy.
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