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Rifles, Reloading, Optics, Equipment
Reloading
Sooted shoulders, any ideas?
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<blockquote data-quote="Petey308" data-source="post: 2566028" data-attributes="member: 106845"><p>It's definitely not uncommon. Typically a lighter load causes it and/or large clearance in your chamber in relation to the sized cases. </p><p></p><p>Residue left on the case or chamber can exacerbate the issue and allow more carbon to adhere. </p><p></p><p>Another thing that causes it is premature bolt release with a gas gun. </p><p></p><p>Ultimately it's really not a big deal. It'll clean up fine. Just keep your chamber clean so you don't get a carbon ring that will eventually spike your pressures. </p><p></p><p>You could take a few cases and do a pressure test. Just start at the load you're at there, then load up one each round in .5gr increments and shoot them in order until you get signs of excessive pressure. See if the carbon goes away as the powder charge increases. You'd need to scrub the chamber after each round though so you're not just re-imprinting the carbon from the chamber to the next case. That could at least tell you if it's pressure related.</p></blockquote><p></p>
[QUOTE="Petey308, post: 2566028, member: 106845"] It’s definitely not uncommon. Typically a lighter load causes it and/or large clearance in your chamber in relation to the sized cases. Residue left on the case or chamber can exacerbate the issue and allow more carbon to adhere. Another thing that causes it is premature bolt release with a gas gun. Ultimately it’s really not a big deal. It’ll clean up fine. Just keep your chamber clean so you don’t get a carbon ring that will eventually spike your pressures. You could take a few cases and do a pressure test. Just start at the load you’re at there, then load up one each round in .5gr increments and shoot them in order until you get signs of excessive pressure. See if the carbon goes away as the powder charge increases. You’d need to scrub the chamber after each round though so you’re not just re-imprinting the carbon from the chamber to the next case. That could at least tell you if it’s pressure related. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Sooted shoulders, any ideas?
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