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Rifles, Reloading, Optics, Equipment
Reloading
45-70 Bullets Keyholing
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<blockquote data-quote="J E Custom" data-source="post: 768045" data-attributes="member: 2736"><p>+1</p><p></p><p>Some of the older barrels are .451 to .452 diameter. the newer ones are .458 diameter.</p><p></p><p>Also a 1 in 14 twist is best for jacketed bullets but a 1 in 48 twist is for black powder rifles with </p><p>lead bullets.</p><p></p><p>Tell him to try a jacketed bullet at least 400 to 500 grains if the barrel is .458.</p><p></p><p>Sometimes lead bullets dont engrave properly if velocity is to fast or the lead alloy is wrong</p><p>and will lead the barrel badly affecting accuracy and it must be removed.</p><p></p><p>So he needs to find out what the twist and bore diameter is and go from there.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 768045, member: 2736"] +1 Some of the older barrels are .451 to .452 diameter. the newer ones are .458 diameter. Also a 1 in 14 twist is best for jacketed bullets but a 1 in 48 twist is for black powder rifles with lead bullets. Tell him to try a jacketed bullet at least 400 to 500 grains if the barrel is .458. Sometimes lead bullets dont engrave properly if velocity is to fast or the lead alloy is wrong and will lead the barrel badly affecting accuracy and it must be removed. So he needs to find out what the twist and bore diameter is and go from there. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
45-70 Bullets Keyholing
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