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Rifles, Reloading, Optics, Equipment
Reloading
Brass troubles
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<blockquote data-quote="MagnumManiac" data-source="post: 243378" data-attributes="member: 10755"><p>The only example I can give regarding the other post you mention is:</p><p>A while back I started playing with a 25WSM wildcat for a mate of mine, we had quite good succes with most powders ; H4831sc, RE19, RE22 and H4350 and 180gr Accubonds. I obtained starting loads for the above powders out of a US mag, but when we didn't have any info for a particular brand of bullet I had to extrapolate starting loads.</p><p>Right from the get-go we had dents and sooting all the way down the brass, my pressure sensor readings were errattic and varied by as mush as 25000psi,some higher than SAAMI max and some lower than SAAMI max, with the same powder charge, I have never seen that or heard of it before, so I spoke to another handloader that has the same cartridge and he told me that there was a very fine line where this particular case design functions correctly regarding pressure, if it is onlt slightly less than max pressure, it tends to go off on pressure excursions almost causing the dreaded S.E.E, the worst powder offender was RE22, a difference of only 2 gr caused the above example. This is obviously caused by pressure and not any other mechanical or rifle fault, there is no long throat or headspace problems with the rifle.</p><p>I cannot expalin it, and others I have spoken to can't explain it either, but one thing I do know is that Winchester had the same problem, that is why it was never introduced, even though it was on the drawing board for the new WSM cartridge. They had to go with the WSSM concept for it to work.</p><p>Cheers.</p><p>MagnumManiac.</p><p>gun)</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 243378, member: 10755"] The only example I can give regarding the other post you mention is: A while back I started playing with a 25WSM wildcat for a mate of mine, we had quite good succes with most powders ; H4831sc, RE19, RE22 and H4350 and 180gr Accubonds. I obtained starting loads for the above powders out of a US mag, but when we didn't have any info for a particular brand of bullet I had to extrapolate starting loads. Right from the get-go we had dents and sooting all the way down the brass, my pressure sensor readings were errattic and varied by as mush as 25000psi,some higher than SAAMI max and some lower than SAAMI max, with the same powder charge, I have never seen that or heard of it before, so I spoke to another handloader that has the same cartridge and he told me that there was a very fine line where this particular case design functions correctly regarding pressure, if it is onlt slightly less than max pressure, it tends to go off on pressure excursions almost causing the dreaded S.E.E, the worst powder offender was RE22, a difference of only 2 gr caused the above example. This is obviously caused by pressure and not any other mechanical or rifle fault, there is no long throat or headspace problems with the rifle. I cannot expalin it, and others I have spoken to can't explain it either, but one thing I do know is that Winchester had the same problem, that is why it was never introduced, even though it was on the drawing board for the new WSM cartridge. They had to go with the WSSM concept for it to work. Cheers. MagnumManiac. gun) [/QUOTE]
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