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Rifles, Reloading, Optics, Equipment
Equipment Discussions
Ivey 150 moa adjustable scope rings.....
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<blockquote data-quote="mindcrime" data-source="post: 107117" data-attributes="member: 656"><p>BTW, when using the CZ550 Safari Magnum with the .505 case head size (read CheyTac) on the bolt (.640"), the bolt thrust is increased, and the maximum working pressure is 3800 BAR or 55,100 PSI. With the RIGBY case head (.590"), there is much less bolt thrust and thus can be loaded as HOT as a Lapua, as long as the cases hold up. I have yet to have any extraction problems and I shot that MAX load year-around. /ubbthreads/images/graemlins/smirk.gif I wonder how fast a .338 AM would shoot if you could ONLY load it to 55,000 psi??? /ubbthreads/images/graemlins/blush.gif Therein lies the reason for a custom BIG action. /ubbthreads/images/graemlins/smirk.gif</p></blockquote><p></p>
[QUOTE="mindcrime, post: 107117, member: 656"] BTW, when using the CZ550 Safari Magnum with the .505 case head size (read CheyTac) on the bolt (.640"), the bolt thrust is increased, and the maximum working pressure is 3800 BAR or 55,100 PSI. With the RIGBY case head (.590"), there is much less bolt thrust and thus can be loaded as HOT as a Lapua, as long as the cases hold up. I have yet to have any extraction problems and I shot that MAX load year-around. [img]/ubbthreads/images/graemlins/smirk.gif[/img] I wonder how fast a .338 AM would shoot if you could ONLY load it to 55,000 psi??? [img]/ubbthreads/images/graemlins/blush.gif[/img] Therein lies the reason for a custom BIG action. [img]/ubbthreads/images/graemlins/smirk.gif[/img] [/QUOTE]
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Ivey 150 moa adjustable scope rings.....
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