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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Wildcat ?? Case pressure
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<blockquote data-quote="MagnumManiac" data-source="post: 1100795" data-attributes="member: 10755"><p>This has to be understood, EARLY 505 Gibbs BRASS was rated at 40, 000psi max, this matched what is was LOADED to originally. Modern 505 brass is rated the SAME as 408 Chey-Tac brass, the brass companys aren't going to use different drawing/extrusion dies to do different brass internally when it's the same externally, only final necking and length trimming changes.</p><p>This was another reason why I went for the 505 Gibbs over the Jeffrey, I can load it to much higher pressure than originally intended. I have already pressure tested loads with a 600gr Woodleigh at 2350fps at being just above 50, 000psi, 2600fps should be posiible, probably not feasible due to thevrecoil, but it can be done. The 500 Jeffrey would not be able to match this.</p><p>As Kirby Allen has demonstrated, either the Gibbs or Rigby brass, in modern rifles, will withstand some pretty high pressures, even though as originally loaded they were quite low pressure rounds.</p><p></p><p>Cheers.</p><p>gun)</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1100795, member: 10755"] This has to be understood, EARLY 505 Gibbs BRASS was rated at 40, 000psi max, this matched what is was LOADED to originally. Modern 505 brass is rated the SAME as 408 Chey-Tac brass, the brass companys aren't going to use different drawing/extrusion dies to do different brass internally when it's the same externally, only final necking and length trimming changes. This was another reason why I went for the 505 Gibbs over the Jeffrey, I can load it to much higher pressure than originally intended. I have already pressure tested loads with a 600gr Woodleigh at 2350fps at being just above 50, 000psi, 2600fps should be posiible, probably not feasible due to thevrecoil, but it can be done. The 500 Jeffrey would not be able to match this. As Kirby Allen has demonstrated, either the Gibbs or Rigby brass, in modern rifles, will withstand some pretty high pressures, even though as originally loaded they were quite low pressure rounds. Cheers. gun) [/QUOTE]
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Wildcat ?? Case pressure
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