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Rifles, Reloading, Optics, Equipment
Gunsmithing
Headspace for 300 ultra with 35deg?
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<blockquote data-quote="J E Custom" data-source="post: 1792046" data-attributes="member: 2736"><p>I always recommend buying a go gauge when you have a reamer cut buy the same reamer maker because it is ground to match his reamer. They are only $30.00 to $40.00 dollars and well worth the money to be precise. I normally don't buy a no go gauge unless it is for a used rifle that needs to be checked and even then with shims on the back of the go gauge it is easy to find the exact head space that that chamber has.</p><p></p><p>In this case where you added a 35o shoulder to a 30o cartridge/chamber and you retained the same neck to shoulder junction length the 300 RUM go gauge would work because it would seat at the neck shoulder junction being a smaller angle.</p><p></p><p>Some cartridges use the same go gauge, but the need to check the loaded ammo is still there in case the different reamers cut a slightly different chamber.</p><p></p><p>When I design a wildcat, I insist of buying a matching go gauge. (Even if I have to pay for it).</p><p></p><p>Just a recommendation</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1792046, member: 2736"] I always recommend buying a go gauge when you have a reamer cut buy the same reamer maker because it is ground to match his reamer. They are only $30.00 to $40.00 dollars and well worth the money to be precise. I normally don't buy a no go gauge unless it is for a used rifle that needs to be checked and even then with shims on the back of the go gauge it is easy to find the exact head space that that chamber has. In this case where you added a 35o shoulder to a 30o cartridge/chamber and you retained the same neck to shoulder junction length the 300 RUM go gauge would work because it would seat at the neck shoulder junction being a smaller angle. Some cartridges use the same go gauge, but the need to check the loaded ammo is still there in case the different reamers cut a slightly different chamber. When I design a wildcat, I insist of buying a matching go gauge. (Even if I have to pay for it). Just a recommendation J E CUSTOM [/QUOTE]
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Headspace for 300 ultra with 35deg?
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