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Unburnt powder


wingnut
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I keep hearing this and don't understand why.  I run 10.2 under a 115 and have zero unburned powder.  If it makes any difference I use CCI 500 primers and a Lee FCD crimp die for a good seat.

Edited by zzt
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Just for giggles try seating at 1.150 and or using a SR primer if your not at max charge.  Also I see a lot of mention of .376-377 crimp and when I measure my cases with the bullets seated most are .375. So basically you’re not crimping at all unless your brass is thicker. I usually try for a crimp ring right at the mouth that’s.0005-.001 smaller than just below it. Some powders are just dirty unless your using heavy bullets and running at max. 

Edited by Farmer
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Been there....had several interesting conversations with the Major Pistol folks about residue on my Chaos.

After much educational back and forth.....he suggested it’s possibly my barrel was cut a little deeper than normal and to try to increase my COL to fit the barrel. I was dubious to say the least.

Went from 1.165 to 1.175 COL with PD 124 and 9.8 MP........the debris problem was virtually eliminated. Pleasantly surprised.

Was it a couple of bad jugs of powder??....will never know....but I respect the Shooters World folks for working with me to solve my problem...it’s good to be taken seriously!!!!

Thanks.

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On 7/17/2020 at 7:52 AM, zzt said:

 

If you have yellow residue you are running the gun too wet.

No, some powders leave a yellow corn meal looking residue behind.  Pretty much any of the AA powders do it.  Major Pistol is a clone of AA7. 

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3 hours ago, chevrofreak said:

No, some powders leave a yellow corn meal looking residue behind.  Pretty much any of the AA powders do it.  Major Pistol is a clone of AA7. 

 

I also got it with Silhouette.  I'm telling you that when I ran really wet, I got a lot more of the yellow stuff.  Now that I switched lube I don't have to run wet and I don't get any.

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