JB bore paste diagnoses

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Lumpy Grits
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Re: JB bore paste diagnoses

Post by Lumpy Grits »

Distant Thunder wrote:"Have you given any thought to having another 'known' shooter, give these rifles a go?"

Gary,
I believe I read them all, but this has been on going for a while now and I'm old and I tend to forget things. Besides, I also mentioned this idea at some point and was just echoing it above. The frustrating thing to me is that we are no closer to a solution than when we started. It's almost as if it's not to be solved. Just saying.

DT
No worries-
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Re: JB bore paste diagnoses

Post by Kurt »

Distant Thunder wrote:Seven pages and no one has offered any cause that it could possibly be or any solution that could possibly work. Interesting.

I still say it would worth the time to let someone else shoot one or both of Brent's rifles and have Brent shot someone else's rifle. There has to be a way to eliminate some of the possibilities and narrow down the list suspects. Or we coulda cause what is just fill several more pages with nothing gained.

DT
Jim it's hard to give anyone a probable answer with out having a hands on. Brent has been at this long enough and I'm sure he don't need much help working this out if he is willing to work up loads again and it this don't cure it he will come to the conclusion that he need a recoil pad or new eyes or a different barly pop :)
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Re: JB bore paste diagnoses

Post by Kurt »

I might add: The first thing I would look at with vertical dirt diggers is maybe a loss of compression and the best way to find out the reason for this is with the upcoming winter......look at the fired bullets.....this will most ikely tell the story what works and what don't.
The reason a dog has so many friends is because he wags his tail instead of his tongue.

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Distant Thunder
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Re: JB bore paste diagnoses

Post by Distant Thunder »

Maybe it's just time for Brent to call it quits, throw in the towel and retire from shooting. He could take up golf perhaps. We all will reach the point when we can't hit a barn from the inside with the door closed. It could just be a sign. Maybe he shouldn't fight it, just give in.

Two winters ago I figured that I was getting up in age and that my shooting would start to fall off before long, so I started buying stuff to take up fly tying, but I haven't had time to tie even one fly. I'm actually shooting better than I ever have since some time last year, but the day is coming and I'll keep all the fly stuff in a box until it does.

Time to break out the clubs and little white balls, Brent!

Just trying to help, my friend!

DT
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Lumpy Grits
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Re: JB bore paste diagnoses

Post by Lumpy Grits »

Think Brent would really do well at knitting........ :P
G.
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Coltsmoke
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Re: JB bore paste diagnoses

Post by Coltsmoke »

If you have used your brass for a long time you will find that your powder column height will get lower and lower due to wear from cleaning the brass over and over. Your compression will slowly get less and less as the brass wears. Maybe you have reached a point to start testing loads again with that brass. Just my thoughts, don't know about the muzzleloader.
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Distant Thunder
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Re: JB bore paste diagnoses

Post by Distant Thunder »

Knitting would be easier on him, he wouldn't have lay out in the sun shooting from 900 yards. Maybe he could find a bench in a park near his home and sit and knit all day. I'm sure he find it relaxing. No brass to clean, no bullets to cast, no loads to put together. Cutting all those paper patches has got to be taking it toll on him all these years.


That's probably the best way to deal with his problem. Not even solve it at all, just move on to something less stressful. That didn't even require 7 pages of posts. Well, I feel much better now that we "fixed" Brent's problem for him. Knitting!

What are friends for!

DT
Jim Kluskens
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Kurt
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Re: JB bore paste diagnoses

Post by Kurt »

Hey Jim, Cadillac Michigan midrange is on this weekend......
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Don McDowell
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Re: JB bore paste diagnoses

Post by Don McDowell »

The only thing common to all three rifles is the powder.. If all 3 started going to pot with a new batch of powder, maybe time to start load work up again, or get a different lot of powder.
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Distant Thunder
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Re: JB bore paste diagnoses

Post by Distant Thunder »

Kurt,

I'd like to get back over to Cadillac again, but that's not happening this weekend. I'm done for the year, just too many other things to finish up around here before winter shows up. They have a nice range and a great bunch of people over on that side of the lake.

Don,

Brent has already tried a different lot of powder with the same results, shoots like dog poop. It's hard to believe that whatever he's doing would have wrecked all 3 rifles. I'd really like to see him shoot some of my ammo in his rifle, but that ain't going to happen either. It's a problem that's not looking to be solved it seems.

DT
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Don McDowell
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Re: JB bore paste diagnoses

Post by Don McDowell »

Well if powder change didn't fix it,,,,
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mdeland
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Re: JB bore paste diagnoses

Post by mdeland »

Agitating the bore worked in the old days to restore paper patch match rifle accuracy and I think it worth a try in this case ! JB just isn't aggressive enough in my opinion.
martinibelgian
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Re: JB bore paste diagnoses

Post by martinibelgian »

Start over with load development:
Set up the Chrono, check MV uniformity.
Start with certified metals only, maybe even purchase some bullets to try.
1st job is to isolate the variable causing the issue, then you can work on solving it.
IMO, some things can be excluded, like barrel / rifle: if it happens with 3 at the same time, there is obviously another factor.
If shooting other rifles still produces good accuracy, the 'nut behind' can also be excluded.
Common sense indicates that brass can also be excluded, as a ML also has the same issue. This also excludes primers.
beltfed
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Re: JB bore paste diagnoses

Post by beltfed »

To "recondition" a bore:
How about try the "Onondaga" method of breaking in a new barrel:
Use a Bore Snake of the appropriate caliber:
Impregnate the business end with a teaspoon or so of Turtle Wax Chrome polish from your local automotive supply
Pull thru the bore 10 times
Add another teaspoon of the polish and repeat 10 times
repeat cycle up to 100 pull throughs.
Really slicked up and "agitated" the bore of a couple rifle barrels I have tried it on.

( Onondaga is a frequent eloqusionist (sp?) on the ASSRA forum.)

Meanwhile I like some of Martinibelgiium's comments. Try NEW 16+1 alloy, try purchased bullets.
How about slightly thicker paper?
beltfed/arnie
beltfed
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Re: JB bore paste diagnoses

Post by beltfed »

Oh, and accuracy was excellent after the Bore Snake/Turtle wax Chrome Polish method.
beltfed/arnie
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