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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Headspace question for new Carbon6 prefit barrel
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<blockquote data-quote="MagnumManiac" data-source="post: 2851788" data-attributes="member: 10755"><p>A comparator is a poor measuring tool, I suspect the numbers you get off of it are out by at least .003"…</p><p>If the bolt isn't closing on the go gauge, you have a serious problem, the headspace is far too short, even if you have a shell holder turned down by .010", you are still going to have issues because the web area on nearly all .550/.555" brass is difficult to size. I had this very issue on the first 25 Pronghorn (25/300WSM) I built, no amount of turning down shell holders worked very well, had to remove the barrel and run the chamber reamer back in.</p><p>I thought tight was gonna be a good idea…nope.</p><p>I would have that barrel properly headspace before proceeding.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2851788, member: 10755"] A comparator is a poor measuring tool, I suspect the numbers you get off of it are out by at least .003”… If the bolt isn’t closing on the go gauge, you have a serious problem, the headspace is far too short, even if you have a shell holder turned down by .010”, you are still going to have issues because the web area on nearly all .550/.555” brass is difficult to size. I had this very issue on the first 25 Pronghorn (25/300WSM) I built, no amount of turning down shell holders worked very well, had to remove the barrel and run the chamber reamer back in. I thought tight was gonna be a good idea…nope. I would have that barrel properly headspace before proceeding. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Headspace question for new Carbon6 prefit barrel
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