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Weird primer hits/Failure to Fire & Eject

This is a discussion on Weird primer hits/Failure to Fire & Eject within the Reloading forums, part of the Firearm Forum category; Guys, The primers have a very significant dent .... plenty deep enough for detonation. When primers don't ignite, the powder charge, bullet seating depth, or ...


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Old February 6th, 2017, 05:32 AM   #16
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Guys, The primers have a very significant dent .... plenty deep enough for detonation. When primers don't ignite, the powder charge, bullet seating depth, or many of the other things listed as a potential problem just don't matter. Also if primers were not seated properly, there wouldn't be such a deep firing pin dent.

I'll stick with my "cleaning fluids in the primer" analysis.



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Old February 6th, 2017, 06:30 AM   #17
 
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Quote:
Originally Posted by johnsxj View Post
I use one of the inexpensive Lee open "C" presses and a universal decapping die to knock out old primers before they go in the ultrasonic cleaner.
I use a dry tumbler, but still this is the way to go.


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Old February 6th, 2017, 07:18 AM   #18
 
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I've got two tumblers, and a sonic cleaner, I've tried using the sonic cleaner however inevitably found small amounts of liquid inside the case, even after letting them sit for quite a while in the oven (really torqued my wife). Since that time I've always used my two tumblers and never have had a problem. Will use the sonic cleaner by "Harbor Freight" to clean jewelry only.

Incidentally I use a real finely crushed walnut, with just a little car polish put in to clean my brass where it looks like new, this is after de-priming the cases naturally. BTW I've got several 5 gallon buckets so the dust and mess are of little consequence, using a couple of colanders to sift the walnut media back into the 5 gallon buckets. Note: I haven't found any difference in using bright and shiny brass as well as tarnished brass when developing a load, the secret is cleaning the primer pocket, and when doing rifle casings making sure the COAL is correct and the face is square.

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Old February 7th, 2017, 04:37 AM   #19
 
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I never thought it was the primer's fault -- just raised the question in my original post to be thorough..my primers are about in the right place and pretty uniformly seated by the Dillon..

As Iowegan surmised, I am satisfied that the answer lies in the ultrasonic cleaning regime I was following...I loaded and shot 80 rounds yesterday with brass I knew to be dry and all of them ran very well..

My Lyman 1200 vibratory cleaner was sitting in a garage 200 miles north of me when I got my Dillon and rather than make the round trip so I could begin loading I bought the Harbor Freight 2.5 liter ultrasonic cleaner...and it does a fine job both inside and out. I am shooting at a nearby public indoor range and the brass I pick up is quite grimy from the usual junk on the floor...it's gotta be cleaned somehow before going near the dies.

But now that I know the pitfalls of the remnant water I'll be a little choosier on what I use ultrasonic cleaning for.

One member asked if I was using a light load -- details are in the first post: 4.9 grains of Tite Group, which is .1 grain above the minimum Hodgdon reloading web site recommendation. Any thought that I should go heavier?

The round I was shooting (200 Wilson Combat LSWC, Fed 150 LP primer, 4.9 grains of Tite Group, 1.25" COL, .469" crimp) chrono'd at 793 fps (average/13 shots) out of my Commander's 4.25" barrel.

Interesting: The same load but with a CCI LP primer chrono'd at average of 855 fps (average/13 shots.) I am shooting the Fed 150 primer but am wondering if the extra oomph netted by the CCI primer is consistent with the group's experience? And is it desirable at those velocities?

Thanks,

Commo
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