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  #1  
Old 10-26-2016, 06:52 PM
Qaz Qaz is offline
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Default Barrel break-in??

I read some where that the best way to break a barrel in is with lead bullets, but the speed of the bullet must be between 1,000-1,100fps. Slower will not work and faster does not work. Is there some basis for this to be true? I have never broken a barrel in, but if this is true, it would be ideal in a pistol.
Can anyone answer this?

Qaz
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  #2  
Old 10-26-2016, 08:04 PM
montdoug montdoug is offline
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I've broken-in a lotta barrels (not selling the practice but it works for me ) and I've sure never heard of the cast bullet theory.
NECO had a treatment called "Fire Lapping" and in that they recommended cast bullets at slower speeds for the Fire Lapping break-in.
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Old 10-26-2016, 08:39 PM
DAA DAA is offline
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Fire lapping isn't for break in.

I've not bothered to break in a barrel for a lot of years now. Other than the one shot colloidal graphite method. Haven't missed it .

- DAA
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Old 10-26-2016, 09:29 PM
Bayou City Boy Bayou City Boy is offline
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What DAA said.

Firelapping is a last resort for rough barrels at the other end of their life. Definitely not something you'd use on a good quality new barrel. Yikes...!!!

-BCB
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Last edited by Bayou City Boy; 10-26-2016 at 09:31 PM.
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  #5  
Old 10-26-2016, 09:56 PM
Stevo Stevo is offline
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I noticed while Barrel shopping that good Barrels are Hand Lapped. I would think this is done so you wouldn't need any break in. Store bought new guns I use the old 10 shot clean 10 shot clean then run with it. On Air Rifles I run a brush wrapped in 0000 steel wool through it a few times. Just enough times I don't feel it pulling anymore. Never had the guts to try it on a new powder gun though.
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  #6  
Old 10-27-2016, 01:46 AM
df06 df06 is offline
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Default barrel break in

I have broke in a number of Shilen and Lilja barrels. I can't say they shoot better than they would have if not broken in. No way to know that. However, they all are very accurate.
Its a PITA breaking them in, but Ill keep doing it.
I had not heard of using lead bullets for breaking in a barrel.
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  #7  
Old 10-27-2016, 01:58 AM
ab_bentley ab_bentley is offline
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Quote:
Originally Posted by Qaz View Post
I read some where that the best way to break a barrel in is with lead bullets, but the speed of the bullet must be between 1,000-1,100fps. Slower will not work and faster does not work. Is there some basis for this to be true? I have never broken a barrel in, but if this is true, it would be ideal in a pistol.
Can anyone answer this?

Qaz

On a premium barrel it's tits on a bull. In factory offerings or lower un-lapped barrels it's a must. Lead bullets aren't what you should use, use a jacketed bullet.

Again, no on premium barrels, yes on factory/ unlapped barrels.

Adam
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  #8  
Old 10-27-2016, 02:28 AM
montdoug montdoug is offline
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I should think on the "Fire Lapping" process that NECO sold one would only use it on a particularly rough factory barrel and then nervously. I don't think it stuck around long but that's the only break-in with cast bullet mention I've ever heard of. NECO had a lotta trick stuff that didn't hang around long.
A lot of barrel manufactures recommend some form of break-in agenda but I can't imagine how a cast bullet could work for even their suggestions in a rifle?
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  #9  
Old 10-27-2016, 02:48 AM
Kevin Gullette Kevin Gullette is offline
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Question How about.........

......it's more like chamber "throat" area break-in?

As in, smoothing out the forward end of the chambering process.......when making use of a custom barrel.

Kevin
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  #10  
Old 10-27-2016, 03:07 AM
L.Sherm L.Sherm is offline
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Quote:
Originally Posted by Kevin Gullette View Post
......it's more like chamber "throat" area break-in?

As in, smoothing out the forward end of the chambering process.......when making use of a custom barrel.

Kevin
I'm with Kevin, on a good handlapped barrel your just firelapping the throat area
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