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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
ATTN: sr90 velocity loss with 2" shorter barrel
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<blockquote data-quote="Steve Shelp" data-source="post: 21874" data-attributes="member: 22"><p>sr90,</p><p> Finally able to shoot for approx 2hrs this weekend. Didn't get to load up the original Lot# of H1000 to have a 1-to-1 comparison of velocity loss, but with the R25 loads I was using I'm back to within 40fps of where I was. This chamber throat is .100" shorter also and that could account for some of that difference. Remember because I'm going for all out accuracy and not max velocity, I may not be seeing the true effect of the shorter barrel also. But even so with the 30 1/4" barrel now, I was able to easily get 2940fps with R25 powder without pressure. I could easily go over 3000fps if I used any of the slower powders. How much over 3000fps would be speculation.</p><p></p><p>good luck with your project. Have you made any decisions on it yet? Last I knew you were considering single shot actions.</p><p></p><p>Steve</p></blockquote><p></p>
[QUOTE="Steve Shelp, post: 21874, member: 22"] sr90, Finally able to shoot for approx 2hrs this weekend. Didn't get to load up the original Lot# of H1000 to have a 1-to-1 comparison of velocity loss, but with the R25 loads I was using I'm back to within 40fps of where I was. This chamber throat is .100" shorter also and that could account for some of that difference. Remember because I'm going for all out accuracy and not max velocity, I may not be seeing the true effect of the shorter barrel also. But even so with the 30 1/4" barrel now, I was able to easily get 2940fps with R25 powder without pressure. I could easily go over 3000fps if I used any of the slower powders. How much over 3000fps would be speculation. good luck with your project. Have you made any decisions on it yet? Last I knew you were considering single shot actions. Steve [/QUOTE]
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ATTN: sr90 velocity loss with 2" shorter barrel
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