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223 primers

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  #1  
Unread 04-15-2008, 11:36 PM
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Join Date: Feb 2008
Location: WA
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223 primers

I am building a 223 to hunt in Montana and Easter WA in the winter and summer. There are chances I could be in weather around or below zero degrees. Is there any small rifle primer that is better than another? If it does well in the heat that's even better. I could be looking at a temp change from zero in the winter to 90 degrees in the summer.
From what I understand the 223 takes a small rifle 7 1/2 primer. Can a guy go wrong with a CCI, Federal, or Rem primer?

If there's a "223 FAQ" I didn't see it. I tried the search with 223 primer.....I think that popped up about 1/2 the threads for the last 3 years, lol.
Thanks in advance.
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  •   #2  
    Unread 04-16-2008, 01:07 PM
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    UPDATE:
    I picked up some of the CCI small rifle Mag primers since that was all they had and hotter can't hurt in the colder weather. If anyone has any input either way or can tell me how they have done with these primers please let me know.

    Here's my load that I planning:
    Winchester brass
    Hornady v max 40 gr moly
    26 gr of benchmark (up to 28 depending on any pressure issues caused by mag primer)
    CCI small rifle mag primer

    I should see mv around 3700 fps. Chrono will determine exact fps.

    FYI, I ran a box of the Hornady box ammo with the moly 40 gr v max and saw an average of 3700 fps not the advertised 3800 fps on the box.
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      #3  
    Unread 04-16-2008, 07:30 PM
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    i use just standard cci bench rest and have great success my pet load is 24.4 gr of H335 with a 60gr sierra. and it is 3016 fps with a 24" barrel. a real tack driver for me
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      #4  
    Unread 04-22-2008, 11:16 PM
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    CCI and Federal primer are used by a lot of BR guys. I use Rem 7 1/2 BR primers in all my small rifle primer loads and that includes my 38 super pistol. I've tried them all in the 38 years of competition shooting and don't see a difference in any of them. The last time I bought SR primers I got Winchester the cheapest and bought 15,000 of them. But I still use Rem in the BR guns.
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      #5  
    Unread 04-23-2008, 09:55 PM
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    Quote:
    Originally Posted by Dan Carey View Post
    CCI and Federal primer are used by a lot of BR guys. I use Rem 7 1/2 BR primers in all my small rifle primer loads and that includes my 38 super pistol. I've tried them all in the 38 years of competition shooting and don't see a difference in any of them. The last time I bought SR primers I got Winchester the cheapest and bought 15,000 of them. But I still use Rem in the BR guns.
    I like the Rem 7 1/2 BR primers too, for certain applications.

    I am not able to see much difference in large rifle primers, but in my 223, 204 and 17 rifles, primers seem to make a difference.

    In my 223 the slight edge goes to the Rem 7 1/2 BR primers.

    In the 17 and 204 my groups tightened significantly using the Rem 7 1/2 BR primer.

    I would borrow some different primers from some reloading buddies and try them out with the powder you are using and see how they do.

    As far as temperature is concerned, I think the powder will have more of an effect on your velocity than the primers do, all other conditions being the same.

    I have shot my 223 at 10 below up to over 100 and the primers worked fine. It was the powder that tended to vary the velocity.

    Jim

    Last edited by Waltech Jim; 04-23-2008 at 09:58 PM.
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      #6  
    Unread 04-24-2008, 05:06 AM
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    primers

    I agree the primers don't make as much difference as the powder I load all my 223 with Varget only because I have a lot and it is what I shoot competition with.I load 24.5 gr of it to my 77 gr match bullets it shoots very well at 2693 fps.
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      #7  
    Unread 04-25-2008, 08:42 AM
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    Pay the little extra and get the CCI BR 4 primers, you can't go wrong there.
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