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Rifles, Reloading, Optics, Equipment
Reloading
Soot on fire formed brass, but not on new brass- 7RM??
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<blockquote data-quote="Andy W" data-source="post: 126207" data-attributes="member: 5898"><p>I reloaded new FL sized brass (7RM) working with Retumbo powder and the 175 SMK bullet I got great accuracy and a full gas seal with 70 grains of retumbo. I neck sized the once fired brass with the same load and bullet and when I shot these fire formed cartridges I was getting black soot on the entire neck and about 1/3 of the way down the shoulder. Curious as to why this happened with the formed and neck sized only brass and did not occur with the new-FL sized brass? All components, bullet, powder, charge, primer was the same?</p></blockquote><p></p>
[QUOTE="Andy W, post: 126207, member: 5898"] I reloaded new FL sized brass (7RM) working with Retumbo powder and the 175 SMK bullet I got great accuracy and a full gas seal with 70 grains of retumbo. I neck sized the once fired brass with the same load and bullet and when I shot these fire formed cartridges I was getting black soot on the entire neck and about 1/3 of the way down the shoulder. Curious as to why this happened with the formed and neck sized only brass and did not occur with the new-FL sized brass? All components, bullet, powder, charge, primer was the same? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Soot on fire formed brass, but not on new brass- 7RM??
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