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Thread: Breaking in a new barrel

  1. #16
    The Scope Whore ! Philipo's Avatar
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    Just give it a decent scrub when ya first get it to clean out any factory debris then shoot to your hearts content.
    tetawa, BRADS, northdude and 2 others like this.
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  2. #17
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    My last barrel I decided to monitor this with a bore scope.
    I cleaned, and took note.
    Fired one shot and cleaned, we'll run a wet patch down it. It seemed to have removed burrs and could see it on the patch.
    Second shot the same but less metal on the patch.
    Third, nothing, no burrs the bore looked smoothed out/ cleaned up.
    Start load development, clean when dirty, or rust preventative patch after shooting for the day.

  3. #18
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    Quote Originally Posted by mikee View Post
    have a read of this
    How to Break-in a Barrel
    Exactly right. It's all about selling more barrels.

    And probably ammo or components too.
    tetawa likes this.
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  4. #19
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    When sighting in I like to shoot each shot from a cold barrel. So I have around 5 minutes between shots for the first packet while sighting in and generally getting used to it. (Called practise...)

    Anyway, seeing as I have 5 minutes between shots to wait for it to cool down I clean it. I dont know if it counts as breaking in, but the rifle certainly is easier to clean afterwards. I have had a few rifles early on that I did not do this too, and I spend a lot more time trying to clean the bore on these than I do the ons where I took my time on a new barrel.

    As Gundoc says, it wont extend the life of the barrel, and with a barrel expected to last 6000 rounds of ammo, if you can wear it out, you can bloody well afford to buy a new rifle to replace it.

  5. #20
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  6. #21
    R93
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    Quote Originally Posted by Mavarick View Post
    Never did anything to my Bartlien as far as run in is concerned. (Never run in a new barrel as per the craze anyway) Checked for throat burr after it was chambered and that was about it. Has done nearly 500 rounds and seems to have improved accuracy wise slightly and it never gets any noticable coppering.
    I wont hesitate to ever to buy a Bartlien if I ever need another barrel. Best finished barrels on the market imo.
    Was also taught that it is rarely the barrels bore itself that causes problems. It is almost always the chambering process. Have seen some pretty roughly finished barrels that improved once lapped.
    Puffin likes this.
    Do what ya want! Ya will anyway.

  7. #22
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    Running in barrels was a fad started by ammo companies to sell more ammo.

  8. #23
    .243 addict
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    Bought a new carbon light 260 in August, had big intentions on running a snake through it between first half dozen shots. Itchy finger it didn't happen. Up around 150 rounds now, shoots real sharp, it could bee getting sharper or more likely I'm getting more confident and relaxed in shooting over a few hundred metres. Either way it works and I'm enjoying it.

  9. #24
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    I remember walking past an officer in the police force I worked for in the 80's, 'running in' a brand new .308 target rifle. He had a case of ammo and a heap of cases next to him. It would have been a very old rifle by the time he'd finished running it in, I thought.

  10. #25
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    Itís great to see some links to barrel manufacturers advice.

    When you think for a moment you will realise it is impossible for an individual shooter to verify the value of break in protocol by their own experience. Even a manufacturer would find it difficult so we must rely to a large extent on conjecture and theory. Not to say itís wrong but just impossible to prove beyond dispute.

  11. #26
    Member Boaraxa's Avatar
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    Iv got pretty pedantic when it comes to cleaning barrels even if I fire 1 shot I clean it when I get home usually takes 6-8 patches to get it pretty clean to my mind I could well be damaging it from cleaning it more especially with no bore guide & the brass thingy always touches the sides on the way out probably the best advice iv had on barrels is to remove the suppressor when i get home.
    timattalon likes this.
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  12. #27
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    Might do nothing for the accuracy or the lifespan, but that first batch of copper can be an utter bastard to remove if you let it build up. That's the only thing that concerns me with a new barrel, copper fouling build up. Every barrel that I've cleaned back to steel and got all the copper fouling out after each shot until it doesn't build up has been extremely reliable. Not to say accurate, as some hunting barrels have been 2-3" with everything they've digested but they have done it all day with no losing the plot and spraying all over the show due to fouling build up. That is worth the work for me to do the initial clean or 'break in'.

  13. #28
    A Better Lover Than A Shooter Ultimitsu's Avatar
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    The truth is probably somewhere in between. The bore is probably the smoother the better, but a few shots, a few cleans, or a few through of autosol is probably not going to fix any burs or machine marks. Lilja states that there is no need indeed serves no purpose to break in, this makes sense because lilja does hand lapping to all their barrels. my view is that all unless you do proper hand lapping, might as well dont do any breaking in. but if you had to spend the money for hand lapping kit, might as well buy a better rifle or at least better barrel in the first place.
    R93 likes this.

  14. #29
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    Quote Originally Posted by tetawa View Post
    Running in barrels was a fad started by ammo companies to sell more ammo.
    As the entire basic process uses about a single packet and you just spent how much on a new rifle? And that single packet, most people will use at least half to sight in properly. (One shot at a target and get it close is not sighting in properly. ) If you clean between every shot while the barrel cools you do both tasks at the same time and do not actually buy any more ammo than you would have anyway.
    Steve123 likes this.

  15. #30
    Rob von tempsky fan's Avatar
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    With My new tikka ctr 6.5 creedmore i cleaned the bore straight away before I 1st fired it then after every shot for 4 rounds then I used KG2 bore polish and scrubbed the bore and job done I won't clean until accuracy drops off.

 

 

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