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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
16.5” 6.5 prc? build
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<blockquote data-quote="rlspahn" data-source="post: 2298206" data-attributes="member: 11120"><p>Faster powder not required IMO. It may not be intuitively obvious, but it won't create greater velocity than the slower burning powder in these magnums. I recall reading a test somewhere (magazine) where they tested different powders with different barrel lengths using the same bullet - the powder that gave the highest velocity in the long barrels gave the highest velocity in the short barrels. You will end up with more muzzle flash using the slower powder, but your velocity will be higher.</p><p></p><p>The faster powders will build pressure faster, and the max load will be somewhat less than what you can achieve with a slower-burning powder. While the faster powder may provide a more complete burn in the barrel relative to the slower powder, it's still not able to generate a higher velocity.</p></blockquote><p></p>
[QUOTE="rlspahn, post: 2298206, member: 11120"] Faster powder not required IMO. It may not be intuitively obvious, but it won't create greater velocity than the slower burning powder in these magnums. I recall reading a test somewhere (magazine) where they tested different powders with different barrel lengths using the same bullet - the powder that gave the highest velocity in the long barrels gave the highest velocity in the short barrels. You will end up with more muzzle flash using the slower powder, but your velocity will be higher. The faster powders will build pressure faster, and the max load will be somewhat less than what you can achieve with a slower-burning powder. While the faster powder may provide a more complete burn in the barrel relative to the slower powder, it's still not able to generate a higher velocity. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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16.5” 6.5 prc? build
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