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Rifles, Reloading, Optics, Equipment
Specialty Handgun Hunting
Twist rate for a 30 cal xp-100
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<blockquote data-quote="Buttermilk" data-source="post: 1790998" data-attributes="member: 5262"><p>I have chosen the 30 Nosler. Project is not yet completed.</p><p></p><p>I shoot H1000 in a 17.5" 7mm RSAUM. I get my highest velocities with that powder in that cartridge and short barrel.</p><p></p><p>I would not worry about complete burn in short barrels. All the powder burns in the first 3 inches. If you ever scrutinize a pressure trace, you'll see this is true. Longer barrels simply use the volume of gas created more efficiently than shorter barrels. </p><p></p><p>I have done a lot of short barreled setups with fairly large capacity cases. All have performed quite well. </p><p></p><p>I am not certain in what the guys were using in the 300 RUM short barrels.</p></blockquote><p></p>
[QUOTE="Buttermilk, post: 1790998, member: 5262"] I have chosen the 30 Nosler. Project is not yet completed. I shoot H1000 in a 17.5” 7mm RSAUM. I get my highest velocities with that powder in that cartridge and short barrel. I would not worry about complete burn in short barrels. All the powder burns in the first 3 inches. If you ever scrutinize a pressure trace, you’ll see this is true. Longer barrels simply use the volume of gas created more efficiently than shorter barrels. I have done a lot of short barreled setups with fairly large capacity cases. All have performed quite well. I am not certain in what the guys were using in the 300 RUM short barrels. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Specialty Handgun Hunting
Twist rate for a 30 cal xp-100
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