Sunday, January 23, 2011

Bore Butter part 2: The Results


 A week ago I posted I was going to cut through all the opinion and simply test Thompson Centers Bore Butter ( read Part 1: The Debate ). I tested the product on my kit built kentucky pistol. See the results after the jump.

 My main goals were to test some of the claims made right on the tube.

  • Does it reduce fouling
  • Does it remove the need to swab between shots
  • Does it act as a rust inhibitor


  I followed the directions on the tube and cleaned the barrel of any petroleum products with water and a good scrubbing. I had already been using T/C's No. 13 bore solvent so I was cleaning with the recommended natural cleaner. After allowing the barrel to completely dry I ran a well saturated patch down the bore making sure everything was coated. During the middle of the week I fired the pistol, the balls had a light coat of bore butter and I have been using T/C's pre-saturated shooting patches. It was cleaned again with natural cleaners, allowed to dry, lubed with bore butter and left to sit until I had some time on the range over the weekend.

 After four days of testing I had to stop using the bore butter as directed. While tweaking the lock on the pistol I ran a bore light in the barrel to check it and found surface rust starting to form on many parts of the interior of the barrel. I called it quits right there and quickly hit it with CLP and a Barricade rust preventative. Without a doubt I can tell you it does not work as a rust inhibitor in the dampness of northwest Louisiana. I took extra care to make sure the barrel was dry before applying bore butter and unfortunately it simply did not do the job.

 Due to the rust I really did not have a chance to test the rest of the claims. I know I will inevitably have someone tell me how I am wrong and that I did something incorrectly. If someone from Thompson Center would like to discuss how I might get better results I can be contacted in the toolbar below. But again I can only tell you my experience with the product. However I will keep using the product as bullet and patch lube as I feel it works great for those functions.

7 comments:

  1. It is worthless as rust prevention. If you have an oil finished stock, rub it into the stock and it makes it look pretty. Works great for patch lube " round balls" Other than that, worthless.

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    1. I used this years ago, I took there word for it, put my gun up for the winter, came back in the spring and the barrel was ruined. T/C also said I did something wrong. I've not bought anything with T/C since.

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  2. Im not sure I would even use it on the stock, will definitely be relegated to patch and ball lube as you said.

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  3. I'm not saying you are right or wrong but here is a good article on Bore Butter:

    http://www.jesseshunting.com/articles/guns/category16/63.html

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  4. Ultravox, just wish I could justify the rusting but I cant, especially deep in the areas inside the drum that I cant readily inspect or see. Only thing I can find to work in the humidity down here is petroleum based rust inhibitors.

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  5. Go with non petroleum oil. Use only full synthetic oil,,,,,I use 5w-30 full syn.. I had terrible results with bore butter as a preservative. I destroyed a beautiful 54 caliber hawken barrel because of bore butter. However bore butter is a great bullet and round ball lube.

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    1. 5w-30 as in motor oil? You know fully synthetic oil is still just tweaked petroleum oil...

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