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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Determining caliber
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<blockquote data-quote="MagnumManiac" data-source="post: 1902241" data-attributes="member: 10755"><p>Other than a chamber cast, try obtaining a DUMMY 375H&H round and see if it chambers first.</p><p>You can also use a vernier to measure the bore at the muzzle, the groove diameter is bullet diameter.</p><p>If the dummy 375 doesn't chamber, then a chamber cast will tell you what you have.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1902241, member: 10755"] Other than a chamber cast, try obtaining a DUMMY 375H&H round and see if it chambers first. You can also use a vernier to measure the bore at the muzzle, the groove diameter is bullet diameter. If the dummy 375 doesn’t chamber, then a chamber cast will tell you what you have. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Determining caliber
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