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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
30 cal wildcat
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<blockquote data-quote="Long Range" data-source="post: 1014134" data-attributes="member: 41290"><p>I'm trying to figure out how to build a big 30 cal to run the 230 berger hyb on a standard long action and mag feed it. I was planing on building a 300 win mag but don't think I'll achieve the velocity I would like to get them around 2900. </p><p></p><p>So I got to thinking about a 300 Rum but have decided the case is just a tad long. So what I have come up with is necking down 338 Rum case and trimming to 2.75 that would allow me to feed pretty well from a ai cip mag with the internal of 3.76 max prolly try to load around 3.75 over all coal. just to leave a little wiggle room. </p><p></p><p>I have no experience in necking down brass so I'm asking what would it take to do this. My thinking is just run a 300 Rum reamer down just a hair short like .090-.092 short check with a 338 Rum go gauge. And for sizing brass could I use a universal 30 cal sizing die, or shorten a 300 Rum fl sizing die or just use a 300 wsm die. I have no I have no idea what it takes to size brass down. Or would I need custom dies. </p><p></p><p>I would like to hear what y'all think about this or should I just stick with a 300 win mag I like the 300 norma but I already have custom action with a mag bolt face so that's what I'm gonna use.</p></blockquote><p></p>
[QUOTE="Long Range, post: 1014134, member: 41290"] I'm trying to figure out how to build a big 30 cal to run the 230 berger hyb on a standard long action and mag feed it. I was planing on building a 300 win mag but don't think I'll achieve the velocity I would like to get them around 2900. So I got to thinking about a 300 Rum but have decided the case is just a tad long. So what I have come up with is necking down 338 Rum case and trimming to 2.75 that would allow me to feed pretty well from a ai cip mag with the internal of 3.76 max prolly try to load around 3.75 over all coal. just to leave a little wiggle room. I have no experience in necking down brass so I'm asking what would it take to do this. My thinking is just run a 300 Rum reamer down just a hair short like .090-.092 short check with a 338 Rum go gauge. And for sizing brass could I use a universal 30 cal sizing die, or shorten a 300 Rum fl sizing die or just use a 300 wsm die. I have no I have no idea what it takes to size brass down. Or would I need custom dies. I would like to hear what y'all think about this or should I just stick with a 300 win mag I like the 300 norma but I already have custom action with a mag bolt face so that's what I'm gonna use. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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30 cal wildcat
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