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Rifles, Reloading, Optics, Equipment
Reloading
IMR's new line of powders....
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<blockquote data-quote="Doublezranch" data-source="post: 1037409" data-attributes="member: 32664"><p>Ok...more info!!</p><p></p><p>First the velocities... All loads were 78.0 grains of 7977 in a 7 stw shooting a 160 A-frame and a 26" tube.</p><p>-15 degrees - 2933</p><p>78 degrees - 3006</p><p>140 degrees - 3019</p><p></p><p>Next Roy's question...here's your answer.</p><p>While the burn rates of 7977 and H1000 are similar, load data for them are NOT interchangeable. Due to the addition of nitroglycerine in 7977, slightly lighter charge weights often deliver the same velocities and pressures as H1000.</p><p></p><p>Last...a picture of the powder.</p></blockquote><p></p>
[QUOTE="Doublezranch, post: 1037409, member: 32664"] Ok...more info!! First the velocities... All loads were 78.0 grains of 7977 in a 7 stw shooting a 160 A-frame and a 26" tube. -15 degrees - 2933 78 degrees - 3006 140 degrees - 3019 Next Roy's question...here's your answer. While the burn rates of 7977 and H1000 are similar, load data for them are NOT interchangeable. Due to the addition of nitroglycerine in 7977, slightly lighter charge weights often deliver the same velocities and pressures as H1000. Last...a picture of the powder. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
IMR's new line of powders....
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