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Elvis
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Joined: Jul 27, 2008
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Location: south island New Zealand
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 Posted: Sat Mar 25, 2017 10:28 pm Post subject: primer article |
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worth the time to read.... the bit on .22 hornet was eye opening.
www.shootingtimes.com/...ip_200909/
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Vince
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Aloysius
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Joined: Nov 03, 2009
Posts: 2440
Location: B., Belgium
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| Posted: Sun Mar 26, 2017 10:09 am Post subject: Re: primer article |
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you're right about that .22 Hornet. That explains why magnum primers are bad. I noted that, when everything else remains the same, POI at 100 m is about 4-5 cm lower and the groupes are worse with magnum primers.
Always nice when you discover other people agree with your own findings and even explain you why it happens that way...
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Elvis
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Location: south island New Zealand
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| Posted: Sun Mar 26, 2017 1:33 pm Post subject: Re: primer article |
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really pleased that it is of use to someone,personally I use magnum primers as bought large quantity of them cheaply,the .270 loads call for them with certain powders in some manuals...not specified in others,the .308 seems to not care and using win 748 ball powder it might be a good thing....as for the 7.62x39mm well its an anemic wee round at best of times with velocity being held back by case size,no excess pressure signs so will carry on using them (mind you though it only getting fed subsonic loads now and they do prefer std primers)
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Pumpkinslinger
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Joined: Sep 22, 2007
Posts: 5002
Location: NC foothills
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| Posted: Sun Mar 26, 2017 6:06 pm Post subject: Re: primer article |
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Good info and thanks for sharing!
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DallanC
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Joined: Jan 18, 2005
Posts: 3572
Location: Utah
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| Posted: Sun Mar 26, 2017 8:39 pm Post subject: Re: primer article |
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Really great and informative article, thanks for posting it.
-DallanC
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chambered221
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Joined: Aug 17, 2007
Posts: 3455
Location: Lost for good !!!
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| Posted: Tue Mar 28, 2017 9:11 am Post subject: Re: primer article |
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"Mysteries And Misconceptions" ....... Great title !!! 
IMHO the primer remains the single most important piece of voodoo in regards to hand-loading.
After a lot of chronograph testing, I've given up on the theory one is better than the other.
The biggest surprise was with so called "match" primers.
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Aloysius
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chambered221
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| Posted: Wed Mar 29, 2017 5:13 am Post subject: Re: primer article |
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To most the term "match" implies a level of consistency !!!
Although I would not go as far as to label them inconsistent, My testing has shown standard primers to be just as good if not better in some circumstances.
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Ask as many people needed, sooner or later your question will be answered the way you want it answered !!!
A free people ought not only to be armed and disciplined, but they should have sufficient arms and ammunition to maintain a status of independence from any who might attempt to abuse them, which would include their own government.
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slimjim
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Joined: May 16, 2009
Posts: 8316
Location: Fort Worth TX
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| Posted: Wed Mar 29, 2017 5:13 am Post subject: Re: primer article |
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Elvis, thanks for sharing. Learned a few things I didn't know, especially about primer seating depth.
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gelandangan
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| Posted: Wed Mar 29, 2017 11:16 pm Post subject: Re: primer article |
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Excellent read, thanks for sharing Elvis!!
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Aloysius
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Joined: Nov 03, 2009
Posts: 2440
Location: B., Belgium
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| Posted: Fri Mar 31, 2017 12:48 am Post subject: Re: primer article |
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| chambered221 wrote: |
To most the term "match" implies a level of consistency !!!
Although I would not go as far as to label them inconsistent, My testing has shown standard primers to be just as good if not better in some circumstances. |
marketing... ?
maybe they work better between the ears? |
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