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Joined: Oct 2005
Posts: 199
Campfire Member
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OP
Campfire Member
Joined: Oct 2005
Posts: 199 |
I need to buy some large rifle magnum primers for use with some ball powders I have. So does anyone have a favorite that seems to perform good? Thanks. RRM
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Joined: Apr 2004
Posts: 3,472
Campfire Tracker
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Campfire Tracker
Joined: Apr 2004
Posts: 3,472 |
I`ve had good luck with all of them, but do favor the Fed`s 215`s with Rem 9 1/2M a second.
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Joined: Apr 2013
Posts: 944
Campfire Regular
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Campfire Regular
Joined: Apr 2013
Posts: 944 |
Ball powders don't necessarily require a mag primer for good ignition, so depending on the cartridge, I generally use mag primers only in Mag cases, with the exception for slow powders expecting to see cold weather.
The chronograph will let you know.
I have stock of most brands, and they all work fine, but the choice is simple using FED 210M or 215M for serious loads.
I wouldn't shoot a newer un-plated Win primer in any of my rifles.
"Supernatural divinities are the primitive's answer to why the sun goes down at night..."
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Joined: Jul 2001
Posts: 60,250 Likes: 33
Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
Posts: 60,250 Likes: 33 |
Rat Rod Mac,
I've mostly been using CCI 250's for the past couple of years, due to the shortage of Federal 215's. Still have a good stash of 215's, but wanted to see how 250's compared, partly because people were asking. So far the 250's have worked just as well in every cartridge tried, and a little better in some. For many years 215's have had the reputation of the hottest magnum primer, but in reality 250's were changed to a hotter mix in the 1990's.
I don't look at velocity as much as groups when trying primers for a certain load. Have also found that SOMETIMES even some pretty small cartridges work better with spherical powders and magnum primers. The smallest cartridge/powder combo that's responded well to magnum primers for me is the .220 Swift with Ramshot Big Game and 55-grain Ballistic Tips. Switching to 215's from standard primers shrank 5-shot groups from 1.5 inches to half that in a Ruger No. 1B.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.” John Steinbeck
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Joined: Feb 2005
Posts: 9,473
Campfire Outfitter
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Campfire Outfitter
Joined: Feb 2005
Posts: 9,473 |
John, I always used 215 GOLD Medal Match primers for ball powders and magnum cartridges. When they started to become scarce a few years ago I switched to remington Magnum primers and noted better accuracy in several cartridges. The 300 Ultra, 25-06AI and 300 win mag specificaly.
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Joined: May 2010
Posts: 1,005
Campfire Regular
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Campfire Regular
Joined: May 2010
Posts: 1,005 |
Ball powders don't necessarily require a mag primer for good ignition, so depending on the cartridge, I generally use mag primers only in Mag cases, with the exception for slow powders expecting to see cold weather.
The chronograph will let you know.
I have stock of most brands, and they all work fine, but the choice is simple using FED 210M or 215M for serious loads.
I wouldn't shoot a newer un-plated Win primer in any of my rifles. In my stash, I probably have a few thousand Win. Primers. Please fill me in on this Un-Plated issue. Thanks
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Joined: Apr 2013
Posts: 944
Campfire Regular
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Campfire Regular
Joined: Apr 2013
Posts: 944 |
In my stash, I probably have a few thousand Win. Primers. Please fill me in on this Un-Plated issue. Thanks They have a problem with leaking from defective cups, causing erosion to the boltface with standard loads. There are some threads on here about the issue.
"Supernatural divinities are the primitive's answer to why the sun goes down at night..."
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Joined: Oct 2005
Posts: 199
Campfire Member
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OP
Campfire Member
Joined: Oct 2005
Posts: 199 |
Thank you gentlemen for your help. And John I have some BR-2's and some 200's so maybe I'll just pick me up some of those 250's and give them a try. I have seen you guys talk about them, but I have never tried Ramshot powders being old fashion with my IMR and Alliant and even some older Hercules laying around. Maybe it's time to buy a pound of Big Game and see what happens. I do have an older Swift and a Roberts that I could try it in. A couple of years ago, in my tang safety Swift, I loaded up 38/H-380 with 55 gr. Ball. tips. W-W cases, .030" off the lands, 5 shot groups with everything being the same except primers. Boy what an eye opener. I used BR-2's, 9 1/2's, Winchester, Federal 210M's and CCI-200. One or two of the groups were down around 5/8" to 3/4" (very good) to 1 3/8" to 1 1/2". Then I would change powders and do it all over again and the results would be different. Did I learn anything, I doubt it, but I sure did have fun letting the lead fly !! Thanks again fell'as. See ya, RRM
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Joined: May 2010
Posts: 1,005
Campfire Regular
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Campfire Regular
Joined: May 2010
Posts: 1,005 |
In my stash, I probably have a few thousand Win. Primers. Please fill me in on this Un-Plated issue. Thanks They have a problem with leaking from defective cups, causing erosion to the boltface with standard loads. There are some threads on here about the issue. Thanks for that info. These primers I would guess to be 5 to 10 years old, so perhaps not affected. I must have bought them right at the time, as I usually go for Fed. or CCI.
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Joined: Nov 2003
Posts: 28,949 Likes: 6
Campfire Ranger
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Campfire Ranger
Joined: Nov 2003
Posts: 28,949 Likes: 6 |
Rat Rod Mac,
If you run the same test again with the same powder you will often see one primer the gun prefers.
"Only Christ is the fullness of God's revelation." Everyday Hunter
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Joined: Nov 2015
Posts: 473
Campfire Member
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Campfire Member
Joined: Nov 2015
Posts: 473 |
CCI 200/250 primers seem to give me slower velocities and less accuracy.
I get higher velocities and good accuracy with WLR and WLRM primers.
I get slightly slower velocities with Fed215 than WLRM, but the accuracy is the same with each.
I never plan to buy CCI primers again.
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Joined: Mar 2009
Posts: 110
Campfire Member
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Campfire Member
Joined: Mar 2009
Posts: 110 |
Ok, at the risk of opening a whole new can of worms, the publication "Accurate Shooter" has opined that Win primers MAY be more temp stable than others IF you have a temp resistant powder and everything else is carefully controlled. Can anyone offer a yea or nay on this? I have had good results with Win primers, and sometimes Federals are hard to get, along with CCI's, but no super hot or cold experience.
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Joined: Aug 2010
Posts: 48,345 Likes: 41
Campfire 'Bwana
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Campfire 'Bwana
Joined: Aug 2010
Posts: 48,345 Likes: 41 |
CCI 200/250 primers seem to give me slower velocities and less accuracy.
I get higher velocities and good accuracy with WLR and WLRM primers.
I get slightly slower velocities with Fed215 than WLRM, but the accuracy is the same with each.
I never plan to buy CCI primers again. I have a brick of WLRM I'll sell you... . I've never had a problem with CCI's. They are damn good primers that don't scar my rifles bolt faces...
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style. You want to see an animal drop right now? Shoot him in the ear hole. BSA MAGA
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Joined: Aug 2010
Posts: 48,345 Likes: 41
Campfire 'Bwana
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Campfire 'Bwana
Joined: Aug 2010
Posts: 48,345 Likes: 41 |
Rat Rod Mac,
If you run the same test again with the same powder you will often see one primer the gun prefers. I'll usually switch out the rifle instead of primer... Just sayin....
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style. You want to see an animal drop right now? Shoot him in the ear hole. BSA MAGA
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Joined: Jun 2012
Posts: 1,313
Campfire Regular
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Campfire Regular
Joined: Jun 2012
Posts: 1,313 |
I'm glad I still have two unopened 5K flats of WW plated WLR primers. They are the best most consistent primers I have ever used. At 64 years old I doubt I will ever use even half of them. They still say ( For standard or Magnum loads ).
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Joined: Feb 2002
Posts: 32,044
Campfire 'Bwana
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Campfire 'Bwana
Joined: Feb 2002
Posts: 32,044 |
I use mostly Fed 215 but also use Standard Win LR Primers WLR which are about as hot as most magnum primers.
A Doe walks out of the woods today and says, that is the last time I'm going to do that for Two Bucks.
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Joined: Apr 2011
Posts: 152,489 Likes: 51
Campfire Savant
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Campfire Savant
Joined: Apr 2011
Posts: 152,489 Likes: 51 |
I like the Federal Gold Medal mag primers.
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Joined: Dec 2002
Posts: 13,150 Likes: 24
Campfire Outfitter
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Campfire Outfitter
Joined: Dec 2002
Posts: 13,150 Likes: 24 |
Winchester WLRM primers used to be the hottest primers you could buy. Don't know if someone has come along and made a hotter one. This is what some of the custom muzzle loader makers use to light off 200 grains of Pyrodex or 777.
I typically use WW primers when working with ball powders-especially 748 and 760/414. The regular WLR primers work great with ball powders in standard sized cases.
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