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11-01-2013, 12:34 AM
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Gouge/scrape inside barrel of 586 Classic
I just got a brand new 586-8 357 mag with a 6" barrel. I've already put the better part of 1000 rounds through it, probably half 38 and half full power 357s, all 158 grain bullets and almost all of them using hard cast lead bullets from Missouri Bullet Co.
Today while giving the gun it's first thorough cleaning I noticed a very visible scratch (possible ding from a cleaning rod) about half a centimeter long located halfway down the barrel. The scratch is almost entirely in the groove of the rifling, not affecting the land very much. I don't know what caused the scratch but it could have been from the steel base of the screw-on bronze brush I was using to clean the barrel.
I'm guessing the scratch won't affect accuracy at all since it is half way down the barrel and there's still three more inches for the bullet to go after it. Could this scratch have any significant effect on accuracy?
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11-01-2013, 02:39 AM
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Anything is possible, but it isn't likely. I have shot a couple of revolvers that had obvious barrel bulges about halfway down the tube and they still shot fine. The gun will almost certainly still shoot better than you can hold.
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11-01-2013, 03:26 AM
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It would be hard to scratch a barrel like you describe unless you were try to remove an obstruction with a steel rod. I think chances are good that's just a smear of lead rather than a scratch. Try the "chore boy" method (you can search it out on this forum) and I'll bet your scratch goes away.
As to the "why", could just be a rough spot in the bore. I usually give all my new-to-me guns a good cleaning with some of the felt pellets from Brownells and some Butch's Boreshine, followed by Borebright. A little polishing is not a bad thing in a barrel.
Link to the cleaning pellets:
WEAPONS CARE SYSTEM PELLETS | Brownells
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11-01-2013, 06:42 AM
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Quote:
Originally Posted by robertrwalsh
I have shot a couple of revolvers that had obvious barrel bulges about halfway down the tube and they still shot fine.
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I could be mistaken, but I don't believe it's advised to shoot any gun with a bulged barrel...
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11-01-2013, 09:56 AM
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like above prolly a factory rough spot, but with 1K rounds through it, it should have smoothed out by now.
careful with those cleaning rods! i only use plastic or bronze since they are def softer than the metal used in the barrel. rifles it's Boresnake only.
of course you would have to deliberately have to push extremely hard even with a steel cleaning rod to get a good scratch on there, the only place that could cause a scratch is where the brush/mop etc screws onto the rod.
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11-02-2013, 12:16 AM
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Quote:
Originally Posted by Hapworth
I could be mistaken, but I don't believe it's advised to shoot any gun with a bulged barrel...
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You're right, you are mistaken!
Barrel bulges are caused by firing another round after a bullet from the previous round had stuck in the barrel. Even after the barrel is not significantly compromised in strength, if any, and still is perfectly safe to shoot.
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11-02-2013, 12:33 AM
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If porting the barrel doesn't affect accuracy, which is just a hole all the way through, then I don't see how a small ding or gouge can, either.
I had a deep pit in the bore of my M14-3, which was there when I bought the gun. I was concerned until I figured out that if the bore was ported at that spot, it would shoot fine. It was about 1 inch from the muzzle. The pit was about 1 mm across and half that deep. The gun grouped nicely, as well as I could tell from a rest.
Best,
Rick
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