Range report...or...beginning of a learning curve.

If the primers are capable of backing out by dry firing them in an unloaded case then couldn't they also back out when fired from a loaded case?

The pressure from firing forces the case back into the recoil shield preventing it from backing out or reseating it if it does.
 
Hawg,

Regarding your comment on eBay.

I agree with you when you say they are getting better.

In my book, they have moved from completely irrational and dangerous communist, pinko, anti American, Anti constitutional, SOBs who are terrified of law suits, to ignorant, undertrained, inconsistant, liberal, SOBs who are terrified of the lawyers who have them terrfied of law suits.

That is real improvement.

Every time I sell something or buy something on eBay (634 feedbacks - 100% positive) I have to pinch my nose.
 
the ONLY time I get misfires is with Winchester primers.LOTS of folks wll disagree that they are a problem,but I KNOW that they are a problem when I shoot them.ymmv
As to cleaning primr pockets,I got bored lasst week and cleaned pckets on my 45 brass,and what a difference it made when I loaded them !they 'snicked' into place beautifully. ! I guess once a year is not quite often enuff, lol.
and,as others have said,seat them firmly ! and wear eye protection at the bench,'cause 'stuff' happens !
 
the ONLY time I get misfires is with Winchester primers.LOTS of folks wll disagree that they are a problem,but I KNOW that they are a problem when I shoot them.ymmv

Maybe you have soft springs. CCI primers are hardest, followed by Winchester. I use CCI. If I cant get them I get Winchester.
 
They certainly resemble CCI's in primer material color, size and being labeled as magnum strength and many folks recognize that.
Even ClemBert's independent measurements for the Winchester Magnum #11's matched mykeal's measurements for the CCI #11 standard.

See posts #4 and #19 in this thread:

http://thefiringline.com/forums/showthread.php?t=343254

There's a photo in post #1 of the thread linked below that will really make one chuckle. A whole rack of Winchester #11 Magnum clamshell packs were filled with CCI #11 standard tins at a local Walmart. :D

http://www.huntingnet.com/forum/black-powder/367991-think-someone-made-mistake-printing.html
 
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I used...

..Winchester WLPs. The problems I had (I believe) were my own fault in not seating the primers correctly.

The CCIs were on the same shelf with the Winchesters. Only reason I bought the Winchesters is that I happened to have thumbed through a reloading guide which only referenced Winchester Primers.

The LGS sells Winchesters at 3.00 a hundred and gives ten percent off so I will continue to try them.

It is entirely possible that had I used a different primer, I might have had fewer problems because it is possible that other primers are more forgiving.

Now that I still have the Auto-Primer, I will try ti and keep tack of the rounds I use the Auto-Primer for and which I use the press mounted primer.

I have been away for a week and so I have not even caste the slugs for my next shooting day.

I did get the Lee Hardness Test set. I got the idea now and we shall see how that works too.
 
It might be this.....

I have been experimenting with some heavier bullets in my .357, and when I load the 200gr and 218gr bullets, the combination of a large cast bullet and some thick lube makes for a great piston, and I have had a few primers back out slightly from the pressure when I seated the bullet quickly. If I go slowly with my press, I haven't seen that happen. 'Just a thought. :)
 
Beag,

Thanks for the input.

I am in the process of cleaning up the spent shells. When I get them ready I am going to pay very close attention to the seating of the primers and I will keep in mind all of the words of wisdom y'all have given me. So far nothing conflicts. Everything makes sense.
 
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