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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 17:47
1984 View Drop Down
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  You just got a new custom rifle,this one is going to have to last awhile,how do you go about breaking it in? 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 18:02
Mike McDonald View Drop Down
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Shoot 1, clean, repeat 10 rounds.  Use 1 piece rod and bore guide.
Break in over.
Enjoy.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 18:02
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Originally posted by 1984 1984 wrote:

  You just got a new custom rifle,this one is going to have to last awhile,how do you go about breaking it in? 
............Some break their rifles in and some don`t. I happen to believe that it isn`t a bad idea although it is an inconvenience and more time consuming.
 
For the first string of 10 shots,,,,,,,,,,,,,,,,,,,,,,1 shot then clean with patches and solvent, 1 shot then clean with patches and solvent and so on for the first 10 rounds.
 
For the second string of 10 shots,,,,,,,,,,,,,,,,,2 shots then clean with patches and solvent, 2 shots then clean with patches and solvent and so on up to and after the 10th round.
 
For the third string of 9 shots,,,,,,,,,,,,,,,,,,,,,,,3 shots then clean, 3 shots then clean, 3 shots then clean.
 
You`re done!........... 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 18:03
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And use a bore guide.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 18:08
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Another tried and true method................

Break-in 101
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 18:21
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    Laugh Above    Roll on Floor Laughing  UNREAL!!!!!!!  (but I LUV it)
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 18:59
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Clean....shoot clean shoot clean shoot ....ten times slowly do not heat up the barrel.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 19:40
John Barsness View Drop Down
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This will result in disagreements, but I have run a bunch of tests on break-in and pretty much don't bother anymore. And I have never yet found a scientific test of the 1-shot-clean technique.

In recent years I have just started shooting a lot of hand-lapped custom barrels and never had one that wouldn't shoot extremely well yet. I just clean them down to bare metal after every range session, whether it's 10 or 30 shots, and they all end up shooting very well.

David Tubb pretty much feels the same way. He does suggest using his Final Finish kit to begin with, to smooth out the only machining or lapping marks that are 90 degrees to the lapping strokes, those in the throat of the chamber. I have used this technique and it really jump-starts the process, instead of the tedious 1-shot-clean technique.

From the research I have done, the 1-shot-clean technique (the "Sinclair" technique) was started by benchresters who wanted to break in their barrels BEFORE they started competing in a match. But why go through that with a hunting rifle? Just work up the loads, cleaning after range sesssion, and by the time the best load or two is worked up the barrel will be broken in .

Just another perspective, from some experience with hand-lapped barrels on a bunch of custom rifles. And this opinion is also backed up by more than one custom rifle-maker and barrel-maker.



Edited by John Barsness - April/21/2009 at 19:42
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 19:49
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 I don't believe it's been all that long ago since I first heard of breaking in a bbl.  Anyone have an idea who started the concept and when? 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 19:55
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 Okay.

I made it all up as a fun prank, a couple years ago.

 I'm sorry.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 20:12
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I'm a break-in convert. I've witnessed by feel and performance what a good break-in procedure and some bore polish can do for an off the rack rifle. Conversely I don't think it's necessary with a custom hand lapped barrel.
The break-in is a form of lapping.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 20:22
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  NICE try RONK.  But I was meaning a bit more than "a couple years ago". LOL
 
 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 20:29
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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 20:40
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Glad some found the humor in the non-traditional method of break-in. Like John B. stated, I have not seen any accuracy improvement or ease of clean-up with match grade barrels. I like Hart custom tubes and they do not recommend a break-in process and it is stated as such on their website as well. In the end it sure can't hurt for factory tubes and if you have the time, have at it.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 20:42
1984 View Drop Down
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Dose the Otis kit  eliminate  the need for a bore guide?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 20:50
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Just post it to me and i will  "break it in"   for you.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 20:52
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Originally posted by 1984 1984 wrote:

Dose the Otis kit  eliminate  the need for a bore guide?

you do not need a bore guide for the otis system!.........Hell I don't use one at all! Wink


Edited by rifle looney - April/21/2009 at 20:53
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 20:53
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When researching the current project I questioned all the top line barrel builders I spoke with about break in. They all had a method for those who insisted on doing a break in, but they all stated that break in really wasn't nessessary. If the rifle didn't shoot well right off it was generally due to some other factor. Just as John B. said, there is no solid evidence that a break in will make much difference. But to each his own.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 21:19
1984 View Drop Down
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Moly paste an 80's thing?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 21:38
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I've been told to shoot some molly coated ones throug it first and I did have one barrel that was molly treated when the gun was "accurized".  ( they waive a magic wand over it or something)
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 21:38
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I guess  I don't have any disagreement with anything said here.  I do a short break in just to knock the ridges off the throat, and it's proved to make fouling less than if not done.
 
I've also used the Tubb final finish method and have seen it work wonders on a new custom barrel.
 
I also tend to shoot mostly custom barrels, factory barrels on my rimfires and shotguns, custom on everything else, and I seem to go through a few every decade :)
 
Here's what has me absolutely convinced that some form of break in is worth doing;
We chambered a Shilen Match Select at the Shilen shop. 
Before crowning but after the chamber was cut and headspaced, we removed the barrel from the lathe and re-lapped the tube down to 600 grit, then crowned it.  Essentially we broke it in without shooting it.
Never owned a barrel that would out shoot that tube unless I paid the gun plumber to repeat that procedure when screwing together a new rifle for me. If they won' do it then I do it myself prior to shooting.
The results with every barrel done that way have been consistantly better in terms of accuracy and fouling, or lack of,  than barrels I've just shot and cleaned without some form of break in.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 21:46
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Mike that is very interesting..... I wish I had access to a shop of some kind, you can do all the sh*t  that needs doing! 

Edited by rifle looney - April/21/2009 at 21:46
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 21:54
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Get Your Popcorn Ready
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 21:59
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RL,
You can accomplish the same thing using the Tubb method Mr. Barsness referred to.
The Throat Maintenance System uses the lightest grit of the Final Finish kit, 1000 grip iirc.
 
A fellow by the name of Brand Cole did a 6XC rifle for my shooting partner, full on custom.  This thing had every accuracy trick in the book done to it, and Brand does outstandig work.
(If you know reloading, then you'll recognize "Prometheus" as he gold standard that powder scales are judged against.  Brand builds this scale)
Well along with the completed rifle comes 10 rounds of loaded ammunition, Tubb TMS bullets,and a note fom Brand " shoot these then clean". 
Now you gotta know Ron.  He washes his cleaning patches before putting them in his barrels. Now he's been told to shove sand paper down the tube as a first step. The look on his face was priceless...........thought he swallowed a diaper whole.
So anyway he shoots these, cleans, then starts shooting itty bitty measure with a micrometer size groups.  Works.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/21/2009 at 22:13
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You guys are killing me, I guess I'm going to have to break down a spend some money for a barrel. My stock 700VS shoots good and I did use the tubb system, but I just can't get the "one ragged hole" group.   
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