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Rifles, Reloading, Optics, Equipment
Reloading
What the heck is this?
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<blockquote data-quote="wvelk huntr" data-source="post: 1805745" data-attributes="member: 82595"><p>I had similar issue with my 28 Nosler. Ended up being carbon build up in the lead. What tipped me off was an increase in velocity and hard bolt lift. Then it started to get hard to chamber a round so I ejected a loaded round to inspect it and noticed the marks on the bearring surface of the bullet. So I barrowed a bore scope and could see the carbon build up. You can also see from my pictures where the copper transferred when clambering. Several hours later soaking and scrubbing with C4 and it eventually came clean and velocity/pressure returned to normal.</p></blockquote><p></p>
[QUOTE="wvelk huntr, post: 1805745, member: 82595"] I had similar issue with my 28 Nosler. Ended up being carbon build up in the lead. What tipped me off was an increase in velocity and hard bolt lift. Then it started to get hard to chamber a round so I ejected a loaded round to inspect it and noticed the marks on the bearring surface of the bullet. So I barrowed a bore scope and could see the carbon build up. You can also see from my pictures where the copper transferred when clambering. Several hours later soaking and scrubbing with C4 and it eventually came clean and velocity/pressure returned to normal. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
What the heck is this?
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