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Rifles, Reloading, Optics, Equipment
Reloading
H4831 for 300win mag?
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<blockquote data-quote="Keith1" data-source="post: 1789095" data-attributes="member: 26846"><p>I have owned 3-4 300 Win Mags and what worked good in a couple of them is IMR 7828 and 180 Partitions. One of the main reasons that I like using that powder is that as you are adding more powder the pressure comes on slow like old surplus 4831. One of the ways that I check for pressure is measuring across the cartridge head or with a magnum case the belt and as you add more powder you are looking for more case expansion and I have never been surprised with high pressure from 7828. It comes on slow.</p></blockquote><p></p>
[QUOTE="Keith1, post: 1789095, member: 26846"] I have owned 3-4 300 Win Mags and what worked good in a couple of them is IMR 7828 and 180 Partitions. One of the main reasons that I like using that powder is that as you are adding more powder the pressure comes on slow like old surplus 4831. One of the ways that I check for pressure is measuring across the cartridge head or with a magnum case the belt and as you add more powder you are looking for more case expansion and I have never been surprised with high pressure from 7828. It comes on slow. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
H4831 for 300win mag?
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