Any experience with Alliant Power Pro 4000-MR powder for 300 WM?

Brett Bracken

Brett Bracken

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Joined
Jun 21, 2018
Messages
141
Location
Midland, TX
Regarding load development for a new rifle build I have not been getting the desired results with R22 or H1000 behind Berger 210 VLD and 215 hybrids. Was thinking of trying a different powder...say...R26. It is not available right now. I notice on the Alliant website the Power Pro 4000-MR. However they don't show any load data beyond a 200 grain bullet. Was wondering if anyone had any experience with it and had a recipe???
 
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