Explaining Why I Break-In A Barrel - It is emotional :)

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Handloader
Dec 26, 2007
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Explaining Why I Break-In A Barrel - It is emotional :)

All I know for sure is the that over last 15yrs of breaking in any new rifle whether new from the factory or a custom build, I have had nothing but accurate rifles in the long run (all but a 30-06 that needed some stock work). I remember that was not always the case in the past when I did not practice doing a break-in, although I did have some very accurate rifles during those earlier years. There were some rifles after I started my break-in procedure, and did my load work, getting good accuracy, that I improved my accuracy by having them bedded.

I do break-in for my friends at our shooting club because they ask me how in the world do you get rifles to shoot so good. The only thing I can attribute to the consistent results I have had over these last 15 years is possibly (note I said POSSIBLY) the break-in, although it might also be due to the evolution of my hand-loading techniques improving over the years and me becoming a better shot with all the years of shooing or a combination of all of these. More than likely a combination of all of these but to what extent break-in or hand-loading techniques, or shooting skills is the main culprit, I don't know.

I look at it this way. Whether one believes in doing a break-in or not, you certainly can't ruin a barrel if you do a break-in (assuming you don't do dumb stuff when breaking in a barrel), I for sure have never ruined one doing so. Even though doing a break-in with a hand lapped barrel is typically not needed (the whole point of hand lapping) I feel it's still a good idea anyway and Pac Nor as well as Nosler recommend a break-in, even though it is a hand lapped barrel. I don't know what their reasoning is and I will not assume anything here, but I agree for my own personal reasons which I am sure have nothing to do with theirs

Besides, I personally (note: this is a personal feeling not fact) would not feel confident that the loads being tested during the work-up (if break-in was not done) is producing the best accurate results. So in essence I feel it helps keep the "doubt factor" from creeping into my mind!!! You know that feeling of, "I wonder how much better this barrel would shoot if I had done a break-in!!!!! Of course not everyone would have the same feeling about this that I do and that certainly is fine, but how would I know if it is the best my rifle could do if I did not break it in?

For the most part I think it removes "MY" doubt factor, but for me to say for certain that it is anything beyond this, I really don't know. Of course break-in is work, and it took me 5 hours yesterday to break in my rifle and that is with cool temps, because I want to do my break-in with each shot in the first 27 rounds to be from a completely cooled down barrel to see if it will hit in the same spot from a cold barrel like when hunting. Then the last ten are shot with the barrel warming up making sure I do not have any bedding problems.

I guess it all comes down to me feeling comfortable and the doubt factor being removed, and outside of that I have no concrete evidence to why my rifles shoot so good, only what I emotionally have attached myself to the process that makes me feel comfortable and good, and my results on a consistent bases of having small groups out of my rifles sure helps my feelings. I don't debate the subject, because most of what is related to the subject is subjective and not empirical evidence.

But do you know for certain, without any doubt that a new rifle you bought whether factory or custom is really doing it's best without a break-in?? No you don't know!!! Just as I really don't know if it is doing it's best after I did a break-in!!! But I assure you I will do a break-in!! Why? It makes me feel good and I think I shoot good when I feel good.
 
Yep, good read Mike.
I have friends who follow the break-in proceedure to the "T".
And I have friends who just go out and shoot them.
As long as they are happy with the way it shoots.
Russ
 
Yes, a man needs to feel good about what he is shooting or he will not have confidence with it in the field.
 
Here is the best way I know how to technically explain why I like breaking in a barrel and emotionally attached to doing so. All custom barrels are hand lapped after rifling is cut or buttoned in. The rifling has nothing to do with the need for break-in. It's the perpendicular tooling marks to the rifling in the throat area from the chamber reamer of a gunsmith that warrants the need for a break-in in my opinion. Even drop-in pre-chambered barrels do not have hand lapped throats. The rifling is indeed lapped, but not the chamber throat because the chambering comes by way of a gunsmith after the barrel has left the factory.

As we all know, the throat of a chamber is probably the single most important part of the chamber cut related to accuracy. If you have a rough throat that builds up heavy amounts of copper, consistent levels of high accuracy will be harder to find. Even accurate loads may lose their tack driving ability much quicker without a good barrel break-in due to abnormally fast fouling from rough tooling marks in the throat. Or may even lose their accuracy completely later on after the throat has finally broken itself in after 100+ rounds. Then you are back to load testing to find another accurate load for the newly shaped throat.

Of course many custom barrels will shoot admirably without a break-in, but if you want all of your rifles to produce consistently accurate groups with many different loads as my rifles have been doing, a barrel break-in will indeed help to get you there. Just some added thoughts : )
 
I would kill him!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! :evil: :evil: :evil: :evil: :evil: :evil: :evil:

total MALAKAS!
 
FOTIS":1mzxavk9 said:
I would kill him!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! :evil: :evil: :evil: :evil: :evil: :evil: :evil:

total MALAKAS!

We do love how you don't go into a lot of detail and make your self so clear in such a passionate way FOTIS. It is really hard to missuderstand you. :mrgreen: :mrgreen: :mrgreen:
 
For me break in is exciting for about the first two shots because it means I'm shooting a new toy, after that I hate it. But I still do it because, like BS I don't want that creeping around in the back of my mind. The only gun that I have that doesn't shoot that great is my 338 WM, and it is the only one left from my "Take them out of the box and shoot them till they are hot" youth. For me it is a god piece of mind, and I only have to do it once, so I can suffer for a few hours once in a while.
 
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