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GP100 Muzzle Crown Damage?

This is a discussion on GP100 Muzzle Crown Damage? within the Ruger Double Action forums, part of the Pistol & Revolver Forum category; My geepee's been shooting wide right. After last range trip I looked closely at the muzzle and I seems that the lower left (when looking ...


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Old June 10th, 2013, 09:11 PM   #1
 
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GP100 Muzzle Crown Damage?

My geepee's been shooting wide right. After last range trip I looked closely at the muzzle and I seems that the lower left (when looking at the business end) may be damaged, as in the lands/grooves are missing.
Opinions?
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File Type: jpg muzzle 9.jpg (223.2 KB, 110 views)
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Last edited by Alpo; June 10th, 2013 at 09:13 PM.
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Old June 10th, 2013, 10:30 PM   #2
 
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Definitely worth having either a local gunsmith look at it or emailing those pics with a detailed description to Ruger CS.
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Old June 10th, 2013, 10:32 PM   #3
 
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Definitely looks worn to me, I would have a gunsmith out Ruger look at it.
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Old June 10th, 2013, 10:47 PM   #4
 
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Thanks guys.

I think I'll be reaching out to Ruger.
That gun's only 1 year old (bought NIB May 2012) and has at most 500 rounds down the pipe (mostly 158gr LRN 357s).

I'll update w/ their response.
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Old June 11th, 2013, 10:39 AM   #5
 
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Are you sure it isn't fouling/lead buildup? How effectively have you been cleaning it?
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Old June 11th, 2013, 10:46 AM   #6
 
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I'm kind of with firescout. Some of the factory lead .357s I've shot leaded the bore horribly. They are often soft & I've seen rifling where you could barley see the lands after 100 rounds.
I'd clean it thoroughly (Lewis Lead Remover) then look again. Shooting 500 rounds should not hurt a bbl at all.
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Old June 11th, 2013, 11:19 AM   #7
 
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It's hard to tell if the lands are worn/damaged on the lower left or if there are burrs/leading on the upper right. A little probing with the wooden stick on a swab might reveal the truth.

I've had leading - with swaged lead bullets - so bad that when I ran a tight-fitting jag and patch down the bore I got out strings of lead. That would certainly lead to some accuracy problems.


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Old June 11th, 2013, 11:32 AM   #8
 
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Unless that was a defective barrel from the factory which I doubt. I'm more to believe it's lead fouling. Buy yourself a Lewis Lead Remover and I'll bet that solves the problem.
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Old June 11th, 2013, 11:46 AM   #9
 
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My opinion to the OP: No.
Far more likely to be lead. And those pics are just about worthless.
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Old June 11th, 2013, 12:46 PM   #10
 
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I'm very glad that the general consensus is that it is just lead fouling and not a "worn" bore. I keep hearing about Ruger revolvers being built like tanks and being able to handle 1,000s of rounds with ease. I have scoped a few out and I plan on buying one next month (my first handgun). This thread had me worried for a minute thinking that a Ruger barrel can wear out after only 500 rounds!
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Old June 11th, 2013, 12:57 PM   #11
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Clean the bore, thoroughly, then take a few shots and inspect the pattern of residue around the crown and muzzle. A good crown will have the residue patterned consistently and symmetrically around the crown and muzzle area. A poor or damaged crown will typically have an uneven distribution of residue, usually much more to one side or the other. Not always foolproof, but even very minor damage to the crown can affect accuracy, so worth a check.
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Old June 11th, 2013, 01:42 PM   #12
 
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I highly doubt the barrel could be worn or damaged by as few as 500 rounds.

I have put some lead round nose rounds through my new Blackhawk .357 but have not seen anything like that.

I shoot lead rounds followed by some copper FMJ rounds in the hope that they will remove any lead deposits.
Maybe my idea is nonsense but so far, so good.
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Old June 11th, 2013, 03:36 PM   #13
 
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Looks like I haven't been proactive enough with cleaning the barrel.
Upon closer inspection, there's a moderate amount of copper fouling (possibly lead too).
Time to get a bore light.

Thanks for the answers everyone.
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