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Rifles, Reloading, Optics, Equipment
Reloading
help 308 reloading info
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<blockquote data-quote="AZShooter" data-source="post: 964071" data-attributes="member: 5219"><p>I second the IMR 8208 XBR for a 308. Note their claim of no change in velocity with change in temperatures. </p><p></p><p>As for loading 47 gr of those other powders. Probably best to work up to those loads seeking a load that suits your needs. There are so many variables, 47 gr could be too hot for your rifle. . </p><p></p><p>From IMR:</p><p></p><p> </p><p></p><p>"There's no Target too small for IMR 8208 XBR</p><p></p><p>IMR's 8208 XBR is a rifle powder based on an old favorite among the benchrest community, real sticklers for accuracy, with a distinct difference. There is virtually no change in velocity with modest or extreme change in temperatures. The ballistics group at IMR has tested this powder from -40 to +165 degrees Fahrenheit with virtually no performance variation. </p><p></p><p>In the field Mr. Jim Carmichael tested the new powder in a practical way; he won the 2009 Heavy Varmint Aggregate at the International Benchrest Shooters National Championship. </p><p></p><p>Pleasant weather, cold or hot IMR 8208 fills the bill with championship performance in many cartridges from .223 Remington to .458 Winchester. Whatever you are aiming at it's no match for new IMR 8208 XBR. The legend is back"</p></blockquote><p></p>
[QUOTE="AZShooter, post: 964071, member: 5219"] I second the IMR 8208 XBR for a 308. Note their claim of no change in velocity with change in temperatures. As for loading 47 gr of those other powders. Probably best to work up to those loads seeking a load that suits your needs. There are so many variables, 47 gr could be too hot for your rifle. . From IMR: "There’s no Target too small for IMR 8208 XBR IMR’s 8208 XBR is a rifle powder based on an old favorite among the benchrest community, real sticklers for accuracy, with a distinct difference. There is virtually no change in velocity with modest or extreme change in temperatures. The ballistics group at IMR has tested this powder from -40 to +165 degrees Fahrenheit with virtually no performance variation. In the field Mr. Jim Carmichael tested the new powder in a practical way; he won the 2009 Heavy Varmint Aggregate at the International Benchrest Shooters National Championship. Pleasant weather, cold or hot IMR 8208 fills the bill with championship performance in many cartridges from .223 Remington to .458 Winchester. Whatever you are aiming at it’s no match for new IMR 8208 XBR. The legend is back" [/QUOTE]
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help 308 reloading info
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