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Rifles, Reloading, Optics, Equipment
Gunsmithing
How long barrel blank?
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<blockquote data-quote="tobnpr" data-source="post: 2240941" data-attributes="member: 68758"><p>Every barrel manufacturer is different, but usually an inch off is recommended due to "bell mouth" caused by lapping.</p><p>I never bother cutting the breech end, I'm indicating the bore up at the throat and whatever the bore is doing at the breech is irrelevant as it'll be bored out concentric with the throat before reaming.</p><p></p><p>Any additional length needed for a setback and re-chamber should it need to be done is minimal- all that needs be done is clean up the area of throat erosion.</p><p></p><p>This is a conversation you should have with the riflesmith that will be doing your work.</p></blockquote><p></p>
[QUOTE="tobnpr, post: 2240941, member: 68758"] Every barrel manufacturer is different, but usually an inch off is recommended due to "bell mouth" caused by lapping. I never bother cutting the breech end, I'm indicating the bore up at the throat and whatever the bore is doing at the breech is irrelevant as it'll be bored out concentric with the throat before reaming. Any additional length needed for a setback and re-chamber should it need to be done is minimal- all that needs be done is clean up the area of throat erosion. This is a conversation you should have with the riflesmith that will be doing your work. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
How long barrel blank?
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