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Gauntlet SL30 Barrel Replacement

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BCN-YA

BCN-YA

Member
Feb 28, 2025
5
2
FLORIDA. USA
I’m in need of a replacement barrel for my Gauntlet SL30. Had everything set up ready to polish the barrel to get rid of a few slight rough spots. Then made a grave error and didn’t double check the grit of paper I had used. Instead of 3500 I grabbed 2500. While polishing I thought “wow this is super fast”….. then it hit me. I unwrapped the paper and saw the grit and about threw up. I cleaned it, put some polishing paste on a few mops and got it smooth but there’s barely any rifleing left. Both pellets and slugs go off in every direction. I was shooting almost same hole groups at 50 yards and now it’s ‘can it hit a 8” target at all’. I put another 50-60 pellets through it trying to get some lead in it but no improvement.

I called Umarex and they do not have any replacement barrels available and have no plans to order more.
Anyone know where I could I get a barrel to replace this one?

Thanks in advance!
 
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BCN-YA said:
I’m in need of a replacement barrel for my Gauntlet SL30. Had everything set up ready to polish the barrel to get rid of a few slight rough spots. Then made a grave error and didn’t double check the grit of paper I had used. Instead of 3500 I grabbed 2500. While polishing I thought “wow this is super fast”….. then it hit me. I unwrapped the paper and saw the grit and about threw up. I cleaned it, put some polishing paste on a few mops and got it smooth but there’s barely any rifleing left. Both pellets and slugs go off in every direction. I was shooting almost same hole groups at 50 yards and now it’s ‘can it hit a 8” target at all’. I put another 50-60 pellets through it trying to get some lead in it but no improvement.

I called Umarex and they do not have any replacement barrels available and have no plans to order more.
Anyone know where I could I get a barrel to replace this one?

Thanks in advance!
Click to expand...
@thammer has what you need!
 
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BCN-YA said:
I’m in need of a replacement barrel for my Gauntlet SL30. Had everything set up ready to polish the barrel to get rid of a few slight rough spots. Then made a grave error and didn’t double check the grit of paper I had used. Instead of 3500 I grabbed 2500. While polishing I thought “wow this is super fast”….. then it hit me. I unwrapped the paper and saw the grit and about threw up. I cleaned it, put some polishing paste on a few mops and got it smooth but there’s barely any rifleing left. Both pellets and slugs go off in every direction. I was shooting almost same hole groups at 50 yards and now it’s ‘can it hit a 8” target at all’. I put another 50-60 pellets through it trying to get some lead in it but no improvement.

I called Umarex and they do not have any replacement barrels available and have no plans to order more.
Anyone know where I could I get a barrel to replace this one?

Thanks in advance!
Click to expand...
I have several factory barrels. They are new, I took them off of new Gauntlets when I rebarreled the competition guns for the UX shooting team.
 
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BCN-YA said:
I’m in need of a replacement barrel for my Gauntlet SL30. Had everything set up ready to polish the barrel to get rid of a few slight rough spots. Then made a grave error and didn’t double check the grit of paper I had used. Instead of 3500 I grabbed 2500. While polishing I thought “wow this is super fast”….. then it hit me. I unwrapped the paper and saw the grit and about threw up. I cleaned it, put some polishing paste on a few mops and got it smooth but there’s barely any rifleing left. Both pellets and slugs go off in every direction. I was shooting almost same hole groups at 50 yards and now it’s ‘can it hit a 8” target at all’. I put another 50-60 pellets through it trying to get some lead in it but no improvement.

I called Umarex and they do not have any replacement barrels available and have no plans to order more.
Anyone know where I could I get a barrel to replace this one?

Thanks in advance!
Click to expand...
What I don't get is HOW 2500 can do that ..? I lap & polish quite a few barrels & with much more coarse material then that. Is it diamond impregnated paper or something.?
 
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Jaxjax said:
What I don't get is HOW 2500 can do that ..? I lap & polish quite a few barrels & with much more coarse material then that. Is it diamond impregnated paper or something.?
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Same thought I had. My guess is it has less to do with 2500 vs 3500 grit and more to do with the procedure used.
 
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Jaxjax said:
What I don't get is HOW 2500 can do that ..? I lap & polish quite a few barrels & with much more coarse material then that. Is it diamond impregnated paper or something.?
Click to expand...
The “How” I don’t know. But I do know what was used. The rifling in this barrel is so shallow. I had a few places that caught/stopped the pellet when pushing one through manually. Most of the barrel the pellet made no contact at all and just slid. I can tell you 100% that the steel used on this barrel is way softer than any other barrel I have, which is fine. Just need to treat it that way.

No diamond polish or grit was used. It’s a soft steel barrel. That’s all I can think of.
 
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