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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Stock 300 RUM with heavy bullets
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<blockquote data-quote="MontanaRifleman" data-source="post: 870564" data-attributes="member: 11717"><p>I just had a 300 RUM built using one of Dave Kiff's reamers. It was done from the 300 Ultra Match. I have a Weatherby mag box that is 3.820 on the inside and when I seat the 230 hybrids to barely fit the mag they are about .010 off the lands. However they are also about .100 into the case. I was originally looking at the 215's.</p><p></p><p>I had the reamer throat lengthened to .200 If I was going to do it again for the 230's I would make it about .280. I would also narrow the neck a little as it presently has about .008 clearance with unturned necks. If you're interested in more details I can send you the print #</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 870564, member: 11717"] I just had a 300 RUM built using one of Dave Kiff's reamers. It was done from the 300 Ultra Match. I have a Weatherby mag box that is 3.820 on the inside and when I seat the 230 hybrids to barely fit the mag they are about .010 off the lands. However they are also about .100 into the case. I was originally looking at the 215's. I had the reamer throat lengthened to .200 If I was going to do it again for the 230's I would make it about .280. I would also narrow the neck a little as it presently has about .008 clearance with unturned necks. If you're interested in more details I can send you the print # [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Stock 300 RUM with heavy bullets
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