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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 rum
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<blockquote data-quote="LouBoyd" data-source="post: 655291" data-attributes="member: 9253"><p>I don't have the exact dimensions of the 215 Berger hybrid bullets handy, but if you're after maximum velocities up to SAAMI max loads VVN570 will be the best choice for highest velocities. Of course seating depth (and cartridge overall length (COAL) matters for both starting and max loads. </p><p></p><p>A problem with Rem 700s with the 300 Rem Ultra is that the factory magazines are too short for optimum seating depths with heavy VLD bullets. I've modified my 300 RUM with a Wyatts MBE-3 magazine box which allows a 3.825" COAL. For extremely long bullets like the berger 230 or the LRB 220 solids check Wyatts CFE-9 box which allows 3.999" COAL. Both require minor machining of the receiver and increasing the magazine cutout to the rear. I've purchased but haven't installed a CFE-9. </p><p></p><p><a href="http://wyattsoutdoor.com/index.php/cPath/1" target="_blank">Magazine Boxes, WYATT'S OUTDOOR, INC.</a></p></blockquote><p></p>
[QUOTE="LouBoyd, post: 655291, member: 9253"] I don't have the exact dimensions of the 215 Berger hybrid bullets handy, but if you're after maximum velocities up to SAAMI max loads VVN570 will be the best choice for highest velocities. Of course seating depth (and cartridge overall length (COAL) matters for both starting and max loads. A problem with Rem 700s with the 300 Rem Ultra is that the factory magazines are too short for optimum seating depths with heavy VLD bullets. I've modified my 300 RUM with a Wyatts MBE-3 magazine box which allows a 3.825" COAL. For extremely long bullets like the berger 230 or the LRB 220 solids check Wyatts CFE-9 box which allows 3.999" COAL. Both require minor machining of the receiver and increasing the magazine cutout to the rear. I've purchased but haven't installed a CFE-9. [url=http://wyattsoutdoor.com/index.php/cPath/1]Magazine Boxes, WYATT'S OUTDOOR, INC.[/url] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 rum
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