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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Borescope of my 338 Edge crown after 500+ rounds
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<blockquote data-quote="WiscGunner" data-source="post: 1765505" data-attributes="member: 97288"><p>Carbon buildup in the neck area of the chamber takes up the space for the brass to expand and can cause increased pressure.</p><p></p><p>Carbon buildup in the throat can present as a donut or ring that shrinks the diameter of the bore. This is in front front the chamber, not in the chamber.</p><p></p><p>Carbon in a muzzle device builds up a similar manner and slowly "shrink" the bore diameter until the bullets are brushing carbon on exit causing eratic fliers.</p></blockquote><p></p>
[QUOTE="WiscGunner, post: 1765505, member: 97288"] Carbon buildup in the neck area of the chamber takes up the space for the brass to expand and can cause increased pressure. Carbon buildup in the throat can present as a donut or ring that shrinks the diameter of the bore. This is in front front the chamber, not in the chamber. Carbon in a muzzle device builds up a similar manner and slowly “shrink” the bore diameter until the bullets are brushing carbon on exit causing eratic fliers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Borescope of my 338 Edge crown after 500+ rounds
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