if you or someone you know is screwing up jackets its from to much neck tension or tumbling to long...ive been stainless tumbling for about 5yrs now i run .003 neck tension and have no issues what so ever.
i tumble with yellow ajax a 1/4 teaspoon of lemi shine in cold water for 90mins and my brass has a light brown tint in the neck and case after tumbling.
i tumble with yellow ajax a 1/4 teaspoon of lemi shine in cold water for 90mins and my brass has a light brown tint in the neck and case after tumbling.






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