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Rifles, Reloading, Optics, Equipment
Reloading
barrel length and burn rate
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<blockquote data-quote="DJ Fergus" data-source="post: 1873931" data-attributes="member: 93895"><p>I've had two rifles where I couldn't get enough powder into the case to reach max pressure. Barrels were shorter than I would have considered optimum for the cartridge. In both cases e.s. was highly irratic. At some point as I reached a threshold, velocity seemed to fall off a bit as I increased charge. If a fellow wants to try a slower burning powder in a short barrel, I see no harm in it and it might work out nicely. Tell tale signs will eventually show if indeed it's not going to work out in the long run. I just let the rifle tell me what it likes. I do know that with any type of combustion, the more complete the burn is, the less carbon is produced. All that being said, my personal powders are mostly slower burning. I start out slow and gradually go to faster one step at a time if needed: N570, retumbo, h1000, rl26 so on and so forth.</p></blockquote><p></p>
[QUOTE="DJ Fergus, post: 1873931, member: 93895"] I've had two rifles where I couldn't get enough powder into the case to reach max pressure. Barrels were shorter than I would have considered optimum for the cartridge. In both cases e.s. was highly irratic. At some point as I reached a threshold, velocity seemed to fall off a bit as I increased charge. If a fellow wants to try a slower burning powder in a short barrel, I see no harm in it and it might work out nicely. Tell tale signs will eventually show if indeed it's not going to work out in the long run. I just let the rifle tell me what it likes. I do know that with any type of combustion, the more complete the burn is, the less carbon is produced. All that being said, my personal powders are mostly slower burning. I start out slow and gradually go to faster one step at a time if needed: N570, retumbo, h1000, rl26 so on and so forth. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
barrel length and burn rate
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