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Rifles, Reloading, Optics, Equipment
Reloading
300 wsm powder
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<blockquote data-quote="speeders" data-source="post: 761303" data-attributes="member: 4408"><p>I worked up a few really quick loads and went to the range yesterday. I had some IMR 4350 and IMR 4831. The 4350 was ok and groups were right at 3/4 in to 1.5 inches. I started out low and worked up to max load. Max load produced the best group. </p><p></p><p>I then shot 4381. I tried 65.5 grains to start and worked up to 66.5 grains before I ran out of time. 65.5 grains produced a 0.705 3 shot group at 100 and the 66.5 gr shot 0.590. I am still gonna keep adding slowly as I am still 1.5 grains from max.</p><p></p><p>Both loads were seated to max magazine length. 2.860</p><p></p><p>My concern is these powders sound like they are fairly temp sensitive. In Alberta, I hunt from +30 C to -30 C. </p><p></p><p>Should I worry about the IMR powders. This gun is going to be set up for shooting 800 to 1000 yards.</p><p></p><p>Im shooting a168 grain BT. As far as Hogdon powder what have guys had the best luck with, h4350 or h4381? </p><p></p><p>Thanks in advance</p></blockquote><p></p>
[QUOTE="speeders, post: 761303, member: 4408"] I worked up a few really quick loads and went to the range yesterday. I had some IMR 4350 and IMR 4831. The 4350 was ok and groups were right at 3/4 in to 1.5 inches. I started out low and worked up to max load. Max load produced the best group. I then shot 4381. I tried 65.5 grains to start and worked up to 66.5 grains before I ran out of time. 65.5 grains produced a 0.705 3 shot group at 100 and the 66.5 gr shot 0.590. I am still gonna keep adding slowly as I am still 1.5 grains from max. Both loads were seated to max magazine length. 2.860 My concern is these powders sound like they are fairly temp sensitive. In Alberta, I hunt from +30 C to -30 C. Should I worry about the IMR powders. This gun is going to be set up for shooting 800 to 1000 yards. Im shooting a168 grain BT. As far as Hogdon powder what have guys had the best luck with, h4350 or h4381? Thanks in advance [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 wsm powder
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