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Joined: Oct 2017
Posts: 95
Campfire Greenhorn
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OP
Campfire Greenhorn
Joined: Oct 2017
Posts: 95 |
I have some Federal 205 Small Rifle Primers and some H-335 Powder. Will these standard primers work OK with this combination? The reloading data that I can scrape up seems to call for magnum primers for this powder. Thanks for any help.
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Joined: Jun 2009
Posts: 3,964
Campfire Tracker
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Campfire Tracker
Joined: Jun 2009
Posts: 3,964 |
It will light them of course but I was surprised at what a difference a primer can make in my AR. Switched from R7.5 to CCI-41 on a load with cfe223 and groups went from over 2.5 MOA to 1 MOA.
"I was born in the log cabin I helped my grandfather build"
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Joined: Sep 2006
Posts: 23,616
Campfire Ranger
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Campfire Ranger
Joined: Sep 2006
Posts: 23,616 |
OP, you don't need mag primers with H335 as far as ignition goes, but you might want to try them to see of they perform better in your gun than standard primers.
I use mostly CCI 41's when I can get then or CCI-BR4's as they have harder cups, but I've had no problems with any powders with Fed 205's, CCI-400's, CCI-450's, Win SRP's, Rem & 1/2's or Fed AR's
FWIW
MM
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Joined: Oct 2017
Posts: 95
Campfire Greenhorn
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OP
Campfire Greenhorn
Joined: Oct 2017
Posts: 95 |
Thank You. I wish I could get the primers you mention. Grrrrrrrr!!!
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Joined: Aug 2010
Posts: 47,943
Campfire 'Bwana
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Campfire 'Bwana
Joined: Aug 2010
Posts: 47,943 |
You'll be just fine with those 205 primers. You didn't say if you are going to use them in an AR or bolt gun. Not that it matters much, as the 205 has a "mil spec" cup thickness according to Federal. That being .0225", is more than the main primer I use (CCI400) in a lot of my AR loads. I've never had an issue at all with that primer. In an AR, you need to concern yourself with the cup thickness, as there have been some instances where a slam fire has occurred with thin cup primers. The important thing to keep an eye on is seating your primer below the surface of the case head. .004" is minimum, more is better. Do not allow primers to be seated flush with the surface of the case head and you will be just fine. As far as setting off a case full of H335, you'll be just fine. Like I said in another thread, I've loaded a bunch with the CCI400, which is not a magnum primer. If I only had 205's, I'd run them without hesitation.
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: Jan 2009
Posts: 5,233
Campfire Tracker
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Campfire Tracker
Joined: Jan 2009
Posts: 5,233 |
"In an AR, you need to concern yourself with the cup thickness, as there have been some instances where a slam fire has occurred with thin cup primers."
If it's going to be a concern, just use a titanium firing pin. It leaves a much smaller dent in an unfired primer.
Last edited by Kenlguy; 10/23/21.
I could wish a lot of things on my worst enemy but neuropathy ain't one of them.
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Joined: Nov 2013
Posts: 28,704
Campfire Ranger
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Campfire Ranger
Joined: Nov 2013
Posts: 28,704 |
Thank You. I wish I could get the primers you mention. Grrrrrrrr!!! Midway had the 41s very recently. Someone here posted a tip, in the Classifieds IIRC. One brick per customer, about $80. They might get them again, so keep your eye out.
What fresh Hell is this?
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Joined: Oct 2007
Posts: 1,267
Campfire Regular
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Campfire Regular
Joined: Oct 2007
Posts: 1,267 |
I use standard primers with h 335, never had an issue. Personally I think mag primers work better if you are going shoot in cold weather.
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Joined: Jun 2009
Posts: 3,964
Campfire Tracker
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Campfire Tracker
Joined: Jun 2009
Posts: 3,964 |
I haven’t used H335 in decades but when I did I used standard primers, and didn’t have an issue but these were shot in the heat of summer. Now I see magnum primers recommended for double based ball powder.
"I was born in the log cabin I helped my grandfather build"
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Joined: Aug 2010
Posts: 47,943
Campfire 'Bwana
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Campfire 'Bwana
Joined: Aug 2010
Posts: 47,943 |
I just checked some targets to see what the temp was when I fired off rounds with regular primers and H335: Not a problem at near freezing... I use standard primers with h 335, never had an issue. Personally I think mag primers work better if you are going shoot in cold weather. Maybe? Although, 39 isn't really "cold", but cold enough..
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: Nov 2013
Posts: 28,704
Campfire Ranger
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Campfire Ranger
Joined: Nov 2013
Posts: 28,704 |
I read someplace that the 41s have a greater gap between the anvil and the cup. Gonna use them in my Ranch rifle as I suspect the floating firing pin has some whoopsie potential.
What fresh Hell is this?
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