primer article

Elvis · Posted: Sat Mar 25, 2017 10:28 pm Post subject: primer article

worth the time to read.... the bit on .22 hornet was eye opening.

www.shootingtimes.com/...ip_200909/

Vince · Posted: Sun Mar 26, 2017 1:42 am Post subject: Re: primer article

A very interesting article. Thanks mate.

Aloysius · Posted: Sun Mar 26, 2017 10:09 am Post subject: Re: primer article

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...

Elvis · Posted: Sun Mar 26, 2017 1:33 pm Post subject: Re: primer article

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)

Pumpkinslinger · Posted: Sun Mar 26, 2017 6:06 pm Post subject: Re: primer article

Good info and thanks for sharing!

DallanC · Site Admin Joined: Jan 18, 2005 Posts: 3572 Location: Utah

Really great and informative article, thanks for posting it.

-DallanC

chambered221 · Posted: Tue Mar 28, 2017 9:11 am Post subject: Re: primer article

"Mysteries And Misconceptions" ....... Great title !!! Scratch

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.

Aloysius · Posted: Wed Mar 29, 2017 12:58 am Post subject: Re: primer article

chambered221 wrote:

"Mysteries And Misconceptions" ....... Great title !!! Scratch

The biggest surprise was with so called "match" primers.

explain please...

did you have to place them upside down to work properly? THAT would be a big suprise Smile

chambered221 · Posted: Wed Mar 29, 2017 5:13 am Post subject: Re: primer article

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.

slimjim · Posted: Wed Mar 29, 2017 5:13 am Post subject: Re: primer article

Elvis, thanks for sharing. Learned a few things I didn't know, especially about primer seating depth.

gelandangan · Posted: Wed Mar 29, 2017 11:16 pm Post subject: Re: primer article

Excellent read, thanks for sharing Elvis!!

Aloysius · Posted: Fri Mar 31, 2017 12:48 am Post subject: Re: primer article

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?