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Normal Topic Breachseated paper patch advice. (Read 2515 times)
Barrabruce
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Breachseated paper patch advice.
Feb 1st, 2020 at 7:15pm
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I can breachseat some paper patched bullets in my 30wcf into the throat proper leaving them engraved and the base supported.

The base of the bullet is 200 thou ahead of the case mouth.
The load is 15-16 grns 2205 with a 160 gn pp’ed. Bullet 30 wcf case.
This is a rifle pressure load.

I’ve used fillers and wads and powder positioners on other loads but  not with a gap between between the powder and bullet base before.

Will a pea size piece of Dacron harm or ring my chamber?

I see no other way of holding the powder in position.

Just putting it out there to the bullet shovers out there
Anything else I should consider.
Thanks.


« Last Edit: Feb 1st, 2020 at 7:22pm by Barrabruce »  
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oneatatime
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Re: Breachseated paper patch advice.
Reply #1 - Feb 2nd, 2020 at 12:49am
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Was Dacron the thing that Charlie Dell said was sure to ring a chamber?
  
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rgchristensen
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Re: Breachseated paper patch advice.
Reply #2 - Feb 2nd, 2020 at 5:45am
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oneatatime wrote on Feb 2nd, 2020 at 12:49am:
Was Dacron the thing that Charlie Dell said was sure to ring a chamber?


     Charlie's research showed that it was the POSITION of the powder charge that caused the problem.  He was able to ring chambers by shooting the rifle straight up, with NO wad at all.   
      I think that it is a good precaution when using a wad to maintain a consistent powder position it the case, to seat it somewhat ahead of the powder charge.   The risk is especially great with quick powders and with older rifles where the barrels may not have the strength of modern ones.

CHRIS
RGChristensen
  
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Barrabruce
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Re: Breachseated paper patch advice.
Reply #3 - Feb 2nd, 2020 at 7:53am
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I believe that is right.
He used a wad to allow a bit of slump of the powder in the case.

Maybe I should read the book again.
Undecided Undecided Undecided
Give up the interweb as there is nothing left to do.

Thank you for the support.
I will see how I fare.

I believe from what I have read that wads and fillers are out of favour these days.

The short cases had abit of a run but are too finicky.

The subsonic all the way to target has been debunked due to stringing.

So where are we now?
300blk?
Seems the book was a good read for it’s time.
Undecided
  
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jimmy
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Re: Breachseated paper patch advice.
Reply #4 - Feb 2nd, 2020 at 12:14pm
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300 blk? All the cool kids are going to 9x39.  Grin
  
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Oldman1950
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Re: Breachseated paper patch advice.
Reply #5 - Feb 2nd, 2020 at 12:56pm
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As far as something to hold the powder in the case---I breech seat bullets and in the mouth of the case I use a thin wad of floral foam. The foam comes in two flavors, wet or dry. I use the wet foam. Now the foam really isn't wet.Use it dry. The foam comes in blocks several inches thick and I use my band saw to cut it into slabs about 3/16" thick. It will also cut easily with a sharp knife. Hold the slab of foam over the case mouth and press it onto the case and it will cut a wad of the correct size to hold the powder in place.

A. J. Palik.
  
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oneatatime
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Re: Breachseated paper patch advice.
Reply #6 - Feb 2nd, 2020 at 3:46pm
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Just reread Charlie again and it was Dacron - basically any use of Dacron! He said if you really feel the need to use a filler use kapok. A thin wad at the case mouth was definitely OK.
  
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Barrabruce
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Re: Breachseated paper patch advice.
Reply #7 - Feb 5th, 2020 at 12:26am
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jimmy wrote on Feb 2nd, 2020 at 12:14pm:
300 blk? All the cool kids are going to 9x39.  Grin


Well there you go then.
I’m all over it. Grin Grin Grin

I think I will stick to breachseating the pp to the  mouth of the case and use conventional methods to retain the powder.

I may try the long seated bullet ,but with a wax wad on the base of the bullet to the case mouth.
That way it should all act as a normal loaded case.

It all seems a bit over the top.
But if it shoots bug holes it maybe worth it.

Just what I need to more work loading a round to fire.

And there I was trying to simplify things Shocked Shocked

That ought to scratch that itch anyway.

Unless I’m missing something.
  
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40_Rod
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Re: Breachseated paper patch advice.
Reply #8 - Feb 5th, 2020 at 9:06am
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If you feel you need to use something to hold the powder use Kapok or tease out some cotten ball. Dacron will exerbate the possibility of ringing. Also breech seating is usually done with low pressure loads. the higher the pressure in the load the more likely it is to ring.

40 Rod
  
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Barrabruce
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Re: Breachseated paper patch advice.
Reply #9 - Feb 6th, 2020 at 8:09am
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Yeah don’t think I will bother trying it.

Well thanks for that.

Glad I sought advice.
Cheers 

  
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