The Firing Line Forums

Go Back   The Firing Line Forums > The Skunkworks > Handloading, Reloading, and Bullet Casting

Thread Tools Search this Thread
Old January 24, 2012, 03:45 PM   #1
Senior Member
Join Date: December 13, 2011
Location: Louisiana
Posts: 116
Which Primer?

When I was first getting my consumables, I went into a LGS and told them what I was reloading, and asked what primers I should use, and the fella told me I should look in the book, with the load data I was using to determine which brand I needed. Well, when I look in the "Modern Reloading" book, I see nothing about brand, just the size. In the Hornady I do see a brand with it, but I am wondering how big a difference it makes as to brand. From the way the fella at the store said it, it was safe/unsafe difference. Opinions/views?
"If you want to lead, you must first learn to serve, for the 1st shall be last and the last shall be first."
If you can't run with the big dogs, stay on the porch.
Lead, follow, or get out of the way!
Servant is offline  
Old January 24, 2012, 04:00 PM   #2
Brian Pfleuger
Moderator Emeritus
Join Date: June 25, 2008
Location: Western Colorado, finally.
Posts: 19,118
Brand doesn't generally matter as long as you're following the reloader's creed "Start low and work up!"

There are preferences, and exceptions... for example, an exception being that certain auto-loading guns can slam-fire with certain primers....

Otherwise, large rifle for large rifle, small pistol for small pistol..... etc, etc... don't need magnums unless load data says so....

I use CCI BR (bench rest) for rifle loads. Federal match primers are also popular for precision rifle (not so much for auto-loaders I guess due to the slam fire thing but I could be mistaken)....

Lots of people see no need for match primers at all, and they are more expensive.
Still happily answering to the call-sign Peetza.
The problem, as you so eloquently put it, is choice.
-The Architect
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.
Brian Pfleuger is offline  
Old January 24, 2012, 04:03 PM   #3
Senior Member
Join Date: May 3, 2009
Location: Central Texas
Posts: 3,677
For me type trumps brand in most situations. If switching primes I use the starting load, and work up.

Exceptions to this are using standard Remington Small Rifle primers for loading .223, There is a warning on the box about not using them. I made the mistake early on and pierced one in my Savage. I used the rest of them for 9 mm which they worked just fine for.

Oh I also use CCI small rifle primers in place of pistol primers if in a pinch, though I check with a starting load and work up. Also I check them in each pistol I am going to use them in, to assure the firing pin will crush them.
No matter how many times you do it and nothing happens it only takes something going wrong one time to kill you.
m&p45acp10+1 is offline  
Old January 24, 2012, 08:47 PM   #4
Senior Member
Join Date: November 30, 2010
Location: Ohio
Posts: 171
I once did some experminting with different brands of primers. I was totally confused with what I found. Useing the same load and only different primers I found that some times with some powders I would get exactly the same velocity with standard and mag primers useing several different brands. I think I was useing 8 different primers. With other powders the primers had a very large difference in velocity. What totally baffeled me was that with 1 powder I started showing persure signs with standard primers long before I saw presure signs with mag. primers. The only thing I am sure of is that you can never be sure what will happen when you change primers.
Catfish is offline  
Old January 24, 2012, 09:54 PM   #5
Brian Pfleuger
Moderator Emeritus
Join Date: June 25, 2008
Location: Western Colorado, finally.
Posts: 19,118
I did a small experiment like that myself, Catfish.

Regular and magnum primers in 357sig.... no difference in velocity whatsoever.
Brian Pfleuger is offline  
Old January 24, 2012, 10:17 PM   #6
Senior Member
Join Date: February 12, 2009
Location: Butte, MT
Posts: 2,027
All depends on the powder. For example Unique is primer insensitive. Only a few fps difference. On the other hand, 2400 is primer sensitive (example Ruger .45 Colt load -> CCI-300 1022, WLP 1123, CCI-350 1181) . Over 150fps difference in test I ran. Then some powders like H-110 and IMR 4227 require a magnum primer for good performance. So, it is all about the powder. Unless you are the 'bleeding' edge it usually doesn't matter. When you are, you back off and work back up with the new primer.
A clinger. When guns are outlawed, only outlaws will have guns. Single Action .45 Colt (Sometimes improperly referred to by its alias as the .45 'Long' Colt or .45LC). Don't leave home without it. Ok.... the .44Spec is growing on me ... but the .45 Colt is still king.
rclark is offline  
Old January 24, 2012, 10:42 PM   #7
Senior Member
Join Date: March 16, 2010
Posts: 733
It doesn't matter what primer you use to develop your load, as long as its the right type (magnum/non magnum, etc) whats important is that once you develop a load with a specific primer, you keep using that specific primer, and if you have to switch primers for whatever reason, you need to reduce the load 10% and work up. Many times it will make no difference. However sometimes It does, and you dont want to be the poor sap that happens to find the primer/powder/brass/bullet/crimp combo that does bad things to your gun and/or you when you switch primers, right?

Anyone that says anything different goes on my *dont listen to that person* list...
dacaur is offline  

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

All times are GMT -5. The time now is 09:49 PM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2018, vBulletin Solutions, Inc.
This site and contents, including all posts, Copyright © 1998-2018 S.W.A.T. Magazine
Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent:
Contact Us
Page generated in 0.05669 seconds with 9 queries