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30-378 Wby Mag Barrel Break In & Cleaning

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  #1  
Unread 07-13-2010, 12:27 PM
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30-378 Wby Mag Barrel Break In & Cleaning

I'll be breaking in 2 Weatherby MK5 Accumarks very soon. I have 2 questions:

1 - What is everyones suggested barrel break in method.

2 - What is everyones suggested cleaning method and what tools are you using to do so....tools, brushes, solutions....etc..

Thanks for the help!

daniel
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  •   #2  
    Unread 07-14-2010, 12:29 PM
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    Re: 30-378 Wby Mag Barrel Break In & Cleaning

    Quote:
    Originally Posted by drenner43 View Post
    I'll be breaking in 2 Weatherby MK5 Accumarks very soon. I have 2 questions:

    1 - What is everyones suggested barrel break in method.

    2 - What is everyones suggested cleaning method and what tools are you using to do so....tools, brushes, solutions....etc..

    Thanks for the help!

    daniel

    What works for me is the shoot and clean after each shot method for the first 8 to 10 rounds
    then shoot 3 rounds and clean 3 or 4 times then shoot no more than 5 at a time if possible
    befor cleaning.

    I use Butches bore shine solvent, cotton swab and/or a good bronze brush.

    I also recomend using the largest cleaning rod that will fit in the bore. (.270 dia for 7mm+,
    .224 dia for 22 to 270) one piece rod will prevent flexing in the bore and point loading/rubbing
    against the bore.

    Also I like to use a smaller jag (7mm for 308 ETC) because it allows you to use several patches
    at one time so the patch material will be forced into the grooves for better cleaning.

    When the barrel is broke in it should clean up with one or two solvent applications and a couple
    of dry patches.

    J E CUSTOM
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      #3  
    Unread 07-28-2010, 12:34 PM
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    Re: 30-378 Wby Mag Barrel Break In & Cleaning

    List of Cleaning Supplies

    Rod
    Jag
    Brush
    Solvent
    Patches
    Bore Guide

    Anybody got anything else I might wanna add? Thanks

    daniel
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      #4  
    Unread 07-28-2010, 04:05 PM
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    Join Date: Jun 2009
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    Re: 30-378 Wby Mag Barrel Break In & Cleaning

    Quote:
    Originally Posted by drenner43 View Post
    List of Cleaning Supplies

    Rod
    Jag
    Brush
    Solvent
    Patches
    Bore Guide

    Anybody got anything else I might wanna add? Thanks

    daniel
    Hi daniel ,

    I shoot a .300 RUM I had a broughton barrel installed and tim @ brougthon rifle barrels told me to put one drop of bore oil on a patch and push it through then shoot one shot and clean repeat that process for 20 shots, then shoot five and clean repeat that process until you don't see any evidence of copper on your patch . He told me to never use a brush of any kind (this is in direct violation to what most of the guys on this site would reccomend) If you use Montana extreme copper killer you want need to brush out the copper you can just apply some on a patch push it through waite about 5 to 6 minutes or so and push a dry patch through it and watch the copper killer do it's work ! think about it why would we want to take care of our barrels and properly break them in just to run a stiff brush down the smooth bore of our new barrel ? If you do decide to go the brush route Don't pull the brush back through your barrel screw it off and don't do the cross cut motion on your new smoke stick

    My barrel has never had a brushof anykind down it and it has roughly 220 rounds down it and it's shootin pretty good.

    just my opion .

    BigBuck
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      #5  
    Unread 07-29-2010, 08:48 AM
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    Join Date: Nov 2009
    Posts: 196
    Re: 30-378 Wby Mag Barrel Break In & Cleaning

    What kind of bore oil did they suggest/do you use?
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