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6.5 mm on R ultra mag case?

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Unread 02-13-2007, 01:27 PM
Junior Member
Join Date: Nov 2005
Posts: 22
6.5 mm on R ultra mag case?

anyone developed a round off the 300 RUM case using 6.5mm bullets?
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Unread 02-13-2007, 08:09 PM
Bronze Member
Join Date: Oct 2004
Location: NC
Posts: 62
Re: 6.5 mm on R ultra mag case?

I use 7 RUM cases on mine, and left the shoulder alone. You need to use ball powders because the stick powders will bridge and cause pressure spikes. Federal primers, they seem to be hotter. The only way to make full use of the case capacity is to use heavy for caliber bullets like the heavy Wildcats.
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Unread 02-13-2007, 08:26 PM
Silver Member
Join Date: Aug 2006
Location: Longmont, CO
Posts: 188
Re: 6.5 mm on R ultra mag case?

Haven't tried it yet. My father is thinking about doing a 6.5mm on a Rem SAUM case. Heard that its fairly popular as is the 6.5mm - 300 WSM. [img]/ubbthreads/images/graemlins/smile.gif[/img]
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