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Rifles, Reloading, Optics, Equipment
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<blockquote data-quote="BallisticsGuy" data-source="post: 1585140" data-attributes="member: 96226"><p>An M1A1 tank main gun doesn't operate too awfully much higher in pressure than normal rifles. That's limited by the yield strength of the case and you don't want to have to make a case that's as strong as a barrel. Looks like the 120mm runs around 73kpsi. I doubt anyone would run a machine gun that hot as extraction reliability would likely suffer greatly.</p></blockquote><p></p>
[QUOTE="BallisticsGuy, post: 1585140, member: 96226"] An M1A1 tank main gun doesn't operate too awfully much higher in pressure than normal rifles. That's limited by the yield strength of the case and you don't want to have to make a case that's as strong as a barrel. Looks like the 120mm runs around 73kpsi. I doubt anyone would run a machine gun that hot as extraction reliability would likely suffer greatly. [/QUOTE]
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