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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.277 Ruger wildcat
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<blockquote data-quote="bigngreen" data-source="post: 620798" data-attributes="member: 13632"><p>The 175 is 1.50 long with a .818 bearing surface, roughly as I only have one half of a comparator which leaves me doing math<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>They are roughly nearly the same length as it looks like the 170 Berger will be, the Matrix is built with the J4 jacket so it could be the same jackets on both, I think some have tried to push the Matrix in 270 AM's and they did not fair well. A guy may be pushing it to push any of these bullets over about 3200 fps in a 1-8 twist. Twist rate will have to be respected I think if your running these at the top end, for my elevation I can run them in a 1-10 which will slack up on the bullet jacket, sounds like the EOL guys are using a different kind of rifling or something to elevate this issue so they must have seen some issues as well. At my elevation on a cold day the 175 Matrix runs a 1.4 stability factor with a 1-10 and with a 1-9 I have 1.8 stability factor. I checked at 0 elevation I got 1.4 stability with a 1-9. Sorry if it looks like I'm thinking out loud, I've been working on a similar project to push these bullets up to 3250-3300 fps, without blowing them up once the barrel get a few hundred rounds down itlightbulb</p></blockquote><p></p>
[QUOTE="bigngreen, post: 620798, member: 13632"] The 175 is 1.50 long with a .818 bearing surface, roughly as I only have one half of a comparator which leaves me doing math:D They are roughly nearly the same length as it looks like the 170 Berger will be, the Matrix is built with the J4 jacket so it could be the same jackets on both, I think some have tried to push the Matrix in 270 AM's and they did not fair well. A guy may be pushing it to push any of these bullets over about 3200 fps in a 1-8 twist. Twist rate will have to be respected I think if your running these at the top end, for my elevation I can run them in a 1-10 which will slack up on the bullet jacket, sounds like the EOL guys are using a different kind of rifling or something to elevate this issue so they must have seen some issues as well. At my elevation on a cold day the 175 Matrix runs a 1.4 stability factor with a 1-10 and with a 1-9 I have 1.8 stability factor. I checked at 0 elevation I got 1.4 stability with a 1-9. Sorry if it looks like I'm thinking out loud, I've been working on a similar project to push these bullets up to 3250-3300 fps, without blowing them up once the barrel get a few hundred rounds down itlightbulb [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.277 Ruger wildcat
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