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I have a Johnston’s Ultimate Muzzleloader which I dearly love. Had it for a few years .

It has done something the last two times I shot it that it has never done before. I shot a deer. To be clear, this was the first shot after cleaning. I went to reload. I could not get the bullet/sabot down the barrel. I pushed so hard that I broke the bullet started.

This happened 2 days ago. I cleaned the gun and it loaded fine. At that point, I thought it was a freak event. Well, I just shot again . The same thing happened.

Any ideas why this is happening?
 
Posts: 10453 | Location: Orlando, FL | Registered: 26 January 2006Reply With Quote
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This may be a stupid question but have you switched sabots?
 
Posts: 376 | Registered: 12 November 2013Reply With Quote
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No. Everything is the same.
 
Posts: 10453 | Location: Orlando, FL | Registered: 26 January 2006Reply With Quote
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Try running a damp patch or a loose fitting nylon brush down the barrel between shots.

Then try some different sabots.

It sounds like your bore is too tight if there is any fouling at all.

It could be a light polishing of the bore could solve the problems too.

Flitz Metal Polish works well at removing rough spots without taking off too much metal


One shot , one kill
 
Posts: 197 | Location: North Carolina | Registered: 13 December 2002Reply With Quote
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I have shot this gun hundreds of times with the exact same bullets, powder and sabots .
I do not think that is the issue.
 
Posts: 10453 | Location: Orlando, FL | Registered: 26 January 2006Reply With Quote
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How long ago since you shot the gun before these last couple of times? The sabots may have changed with age and are stripping some plastic leaving it behind in the barrel?
All else being exactly the same it has to be a sabot issue, change in burning characteristics of the powder may cause a little fouling but not enough to be a problem for seating the saboted bullet. Plastic on plastic could be the issue.
 
Posts: 2854 | Location: Nelson, New Zealand | Registered: 03 August 2009Reply With Quote
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quote:
Originally posted by eagle27:
How long ago since you shot the gun before these last couple of times? The sabots may have changed with age and are stripping some plastic leaving it behind in the barrel?
All else being exactly the same it has to be a sabot issue, change in burning characteristics of the powder may cause a little fouling but not enough to be a problem for seating the saboted bullet. Plastic on plastic could be the issue.


About a year.
 
Posts: 10453 | Location: Orlando, FL | Registered: 26 January 2006Reply With Quote
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quote:
All else being exactly the same it has to be a sabot issue

Try a new batch of sabots.
Maybe the ones you have now are out of spec on thickness.

If that doesn't help, give the barrel a good scrubbing with a solvent that will dissolve plastics.


One shot , one kill
 
Posts: 197 | Location: North Carolina | Registered: 13 December 2002Reply With Quote
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As I proposed in my first post, I suspect it is the plastic sabots causing the problem and while they are the same ones you have previously used without issue, they are a year older.
Your cleaning regime before the next shot is solving the problem therefore strongly indicating some form of fouling is being removed, can only be sabot plastic!!
CRC5.56/WD40 dissolves plastic. Dry brush out and run an oiled cloth through a shotgun barrel after a shoot and it looks nice and clean. Spray down the barrel with CRC or WD40 and have a look, you'll see streaks of plastic gunge appearing. Wipe out with a cloth or soft dense bronze brush (I use) and you'll be amazed just how much gunge from the wads has built up. Once all that is out only then do you have a clean barrel.
 
Posts: 2854 | Location: Nelson, New Zealand | Registered: 03 August 2009Reply With Quote
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I had that problem one time. It turned out to some grains of powder right at the end of the muzzle.

Ruined two bullets trying to get them started. One of the guys at the range suggested I do a quick swab down the first few inches of the bore.

I did and problem solved.

BH63


Hunting buff is better than sex!
 
Posts: 2205 | Registered: 29 December 2015Reply With Quote
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I got my gun back yesterday. The gun was not dirty and had no build up.

Their theory is that the sabots are harder than most because the gun shoots 4 pellets. Further, I have had them for years. They may well have gotten harder over time.

Also, the pellets are super dirty. The combination of the 2 created this problem.
 
Posts: 10453 | Location: Orlando, FL | Registered: 26 January 2006Reply With Quote
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quote:
Originally posted by larryshores:
I got my gun back yesterday. The gun was not dirty and had no build up.

Their theory is that the sabots are harder than most because the gun shoots 4 pellets. Further, I have had them for years. They may well have gotten harder over time.

Also, the pellets are super dirty. The combination of the 2 created this problem.



Good result and glad you have got it sorted. Obviously a gun you like using and one that does the job you ask of it. Thanks for posting the outcome, always nice to hear back what the cause of a problem is and how it is fixed. We all learn from that. Now just keep your powder dry Wink
 
Posts: 2854 | Location: Nelson, New Zealand | Registered: 03 August 2009Reply With Quote
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Little late to the conversation but I’ve been messing with higher performance muzzleloaders quite a bit lately. Even though many say it’s not needed, I still swab a slightly damp patch of balistol and water (50/50) after each shot followed by a dry patch. Keeps the fouling consistent and you can load and shoot all day. This is with 777 (definitely needed with that), BH209, and even smokeless loads I. A 50 cal sabot. Takes an extra minute to reload, but oh well.


Shoot straight, shoot often.
Matt
 
Posts: 1089 | Location: Wisconsin | Registered: 19 July 2001Reply With Quote
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