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Rifles, Reloading, Optics, Equipment
Reloading
6.5 PRC large rifle vs large rifle magnum primers
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<blockquote data-quote="RockyMtnMT" data-source="post: 2610705" data-attributes="member: 7999"><p>We are generally mag primer guys in everything. Sometimes this can show what I call phantom pressure. All the classic over pressure signs of bolt lift and beat brass, but not high vel. The 1st few 6.5 PRC's that we loaded, we used mag primers and got very nice loads at 3200ish fps with the 124g Hammer Hunter. That was max. I thought Nosler data was out of line. We then had a customer tell us about standard lr primers in the prc, so we tried it on the next one. Sure enough, we were able to go 4g more powder and about 250fps faster before hitting pressure. So, definitely avoid mag primers in the prc.</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 2610705, member: 7999"] We are generally mag primer guys in everything. Sometimes this can show what I call phantom pressure. All the classic over pressure signs of bolt lift and beat brass, but not high vel. The 1st few 6.5 PRC's that we loaded, we used mag primers and got very nice loads at 3200ish fps with the 124g Hammer Hunter. That was max. I thought Nosler data was out of line. We then had a customer tell us about standard lr primers in the prc, so we tried it on the next one. Sure enough, we were able to go 4g more powder and about 250fps faster before hitting pressure. So, definitely avoid mag primers in the prc. [/QUOTE]
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Reloading
6.5 PRC large rifle vs large rifle magnum primers
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