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Rifles, Reloading, Optics, Equipment
Reloading
Load data for 10mm
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<blockquote data-quote="436" data-source="post: 2970107" data-attributes="member: 16609"><p>The purpose of the gas check is for high pressures, such as those commonly encountered in maximum loadings of magnum revolver cartridges or rifle cartridges, often resulting in significant problems when coupled with cast or swaged lead bullets. It was long thought that the high temperatures melted the base of the bullet, but this is no longer thought to be the case. Instead, the high pressures allow propellant gas to escape past the bullet, causing gas cutting, which increases lead deposits in the barrel and unbalances the bullet. A gas check provides a thin layer of harder but still malleable metal on the base of the bullet that obturates to provide a seal and prevents the propellant gas leakage that causes gas cutting and helps the bullet grip the rifling. Cheers</p></blockquote><p></p>
[QUOTE="436, post: 2970107, member: 16609"] The purpose of the gas check is for high pressures, such as those commonly encountered in maximum loadings of magnum revolver cartridges or rifle cartridges, often resulting in significant problems when coupled with cast or swaged lead bullets. It was long thought that the high temperatures melted the base of the bullet, but this is no longer thought to be the case. Instead, the high pressures allow propellant gas to escape past the bullet, causing gas cutting, which increases lead deposits in the barrel and unbalances the bullet. A gas check provides a thin layer of harder but still malleable metal on the base of the bullet that obturates to provide a seal and prevents the propellant gas leakage that causes gas cutting and helps the bullet grip the rifling. Cheers [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Load data for 10mm
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