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JB Bore cleaning compound.

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  • 12-04-2015 10:22pm
    #1
    Deaf git
    Registered Users Posts: 228 ✭✭


    I tried JB bore cleaning paste in my hmr and found it stripped a lot of crud from the barrell, great. My concern is it feels quite abrasive, a bit like fine valve grinding paste. Anyone have any experience using it for ongoing cleaning?


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    #2
    tomcat220t
    Registered Users Posts: 1,220 ✭✭✭tomcat220t


    Deaf git wrote: »
    I tried JB bore cleaning paste in my hmr and found it stripped a lot of crud from the barrell, great. My concern is it feels quite abrasive, a bit like fine valve grinding paste. Anyone have any experience using it for ongoing cleaning?
    Hi Deaf git,JB should be only be used when needed .Great for carbon around the throat area.I rather use KG2 than JB !Neither of them would be like lapping paste ....so don't worry.
    Regards,Tomcat.


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    #3
    Deaf git
    Registered Users Posts: 228 ✭✭Deaf git


    Thanks for that. I've used it only twice so far and it produced manky black patches, 15-20 before the patches showed clean. Got me wondering if I was cleaning out steel instead of carbon and copper.


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    #4
    Zxthinger
    Registered Users Posts: 1,113 ✭✭✭Zxthinger


    Fair play to you for trying it.. I'd be very wary.. I read that abrasives can restore lost accuracy in barrels by evening out the wear in the bore thus reintroducing consistency..sort of similar to bore break in.


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    #5
    Deaf git
    Registered Users Posts: 228 ✭✭Deaf git


    I shot the rifle yesterday and it shot better for having had the stuffing cleaned out of it. I think jb is probably a bit harsh for ongoing cleaning though.


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    #6
    Zxthinger
    Registered Users Posts: 1,113 ✭✭✭Zxthinger


    David Tubb's Final Finish System... another aggressive cleaning system..
    read about it here...
    http://www.chuckhawks.com/affordable_accuracy.htm


    I don't think us irish lads could get access to it, unless an RFD could do it..????


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    #7
    EWQuinn
    Registered Users Posts: 428 ✭✭EWQuinn


    http://www.busseltonrc.com/Articles/Speedy/JB%20Bore%20Cleaner%20How%20To%20Use.pdf

    Here's an interesting little piece. Speedy is a well known bench rest shooter and gunsmith in the states. (The pic in the article is my gun club.)

    You can now get felt "buttons" from Brownells for barrel cleaning that would do the trick too. Brownells sells a "kit" of JB Paste and Kroil to go with them. (PS: If you ever happen to use Kroil, DON'T get it anywhere near a rifle scope.)

    Personally, I use JB occasionally with a patch wrapped around an old worn bore brush. That seems to work just fine and gets the tougher carbon out. For me JB and any of these methods are not for "regular" cleaning. Used as designed, not going to harm the bore. At the price of a bore scope, I will not be investing in one unless I win the lottery.


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