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Joined: Jun 2002
Posts: 11,942
Campfire Outfitter
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OP
Campfire Outfitter
Joined: Jun 2002
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I'm down to only one magnum rifle and am left with a large amount of magnum rifle primers. I would like to use these up in some my other rifles.
Question?? ...... When working up loads, is there any reason not to use a magnum rifle primer on a cartridge/powder combination that would normally call for a std rifle primer?
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Joined: Jun 2004
Posts: 44,790
Campfire 'Bwana
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Campfire 'Bwana
Joined: Jun 2004
Posts: 44,790 |
Since you're working up safety isn't an issue, so let the targets tell the tale. I've loaded more than a few 308 rounds with IMR 4895 and CCI 250's with fine results.
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Joined: Dec 2019
Posts: 16,803
Campfire Ranger
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Campfire Ranger
Joined: Dec 2019
Posts: 16,803 |
I read a an old comparison last week that suggested lower velocities (I think) in some chambers in some conditions.. Mule deer might know if anything more recent has been published.
-OMotS
"If memory serves fails me..." Quote: ( unnamed) "been prtty deep in the cooler todaay " Television and radio are most effective when people question little and think even less.
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Joined: Jul 2004
Posts: 6,654
Campfire Tracker
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Campfire Tracker
Joined: Jul 2004
Posts: 6,654 |
SuperCub, if memory serves me, you have a 7x57 or two, I was happy with magnum primers and H4831 in my last one (haven't started loading for the current one yet.)
'Four legs good, two legs baaaad." ---------------------------------------------- "Jimmy, some of it's magic, Some of it's tragic, But I had a good life all the way." (Jimmy Buffett)
SotG
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Joined: Jun 2002
Posts: 11,942
Campfire Outfitter
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OP
Campfire Outfitter
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SuperCub, if memory serves me, you have a 7x57 or two, I was happy with magnum primers and H4831 in my last one (haven't started loading for the current one yet.) Yes, I do have a 7x57 as well as a few other middle of the road non-mags. Not having any luck with WW760 in this rifle, but next up will be 120gr NBTs and Varget. Not really a magnum primer load but going to try it with WLRM primers anyways. Have some H4831 and H & IMR 4350 down there as well so have some options. I really wanted that 760 to work in this rifle as I have a lot of it.
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Joined: Nov 2011
Posts: 30,859
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2011
Posts: 30,859 |
With ball powders, use magnum primers, even in something the size of your 7x57. I've had good luck with them as well in the .270.
Try them, see what your rifles like.
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
You cannot over estimate the unimportance of nearly everything. John Maxwell
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Joined: Jun 2002
Posts: 11,942
Campfire Outfitter
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OP
Campfire Outfitter
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Posts: 11,942 |
With ball powders, use magnum primers, even in something the size of your 7x57. Yup, I use magnum small rifle primers for H335 (ball powder) in my 223. A couple hang fires cured me of that.
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Joined: Oct 2008
Posts: 7,263
Campfire Tracker
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Campfire Tracker
Joined: Oct 2008
Posts: 7,263 |
With R26 I get more uniform results with magnum primers even in cases the size of the 308. It is unpredictable but sometimes you get an increase in velocity and sometimes a decrease. Not sure why but the primer may be starting the bullet down the barrel sooner so pressures are reduced.
"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli
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