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Question on barrel cleaning?

This is a discussion on Question on barrel cleaning? within the Accuracy forums, part of the M14 M1A Forum category; Hi guys, I have always used Hoppes #9 to clean my barrels but see I have a small bottle of Hoppe's #9 'benchrest'? here. Must ...


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Old January 15th, 2017, 08:46 PM   #1
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Question on barrel cleaning?

Hi guys,

I have always used Hoppes #9 to clean my barrels but see I have a small bottle of Hoppe's #9 'benchrest'? here. Must be my late brother's... Any difference?

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Old January 16th, 2017, 05:12 AM   #2
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the Benchrest Version is a better copper solvent.

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Old January 16th, 2017, 07:28 AM   #3
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I seem to remember a caution about not leaving Hoppes Benchrest in the barrel like you can #9. Don't take that as gospel but that thought was rattling around in my head.

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Old January 16th, 2017, 08:26 AM   #4
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Originally Posted by boomerpusher View Post
Don't take that as gospel but that thought was rattling around in my head.
I think that is the caution of most copper removing solvents due to their high ammonia content.

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Old January 27th, 2017, 10:27 PM   #5
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Yes I think there is difference.

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Old January 28th, 2017, 06:32 AM   #6
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I did a little test on this very thing awhile back on several of old knife steel (1095 Carbon) that I had lying around the shop.

I rubbed each piece with an old copper penny and used different solvents to see which worked best at removing copper.


Any of the "Copper Killer" or "Benchrest" style cleaners did really well, but they all caused light surface rust after only a few hours of leaving them on.

The most 'metal friendly' and non corrosive cleaner I used was Ballistol. It took a little extra cleaning with the nylon brush I was using, but after two applications, with a soak in between each, it did just as good.

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Old January 28th, 2017, 06:39 AM   #7
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The owner's manuals that come with the newer SAI M1A's have information in the cleaning section telling you to not use Hoppe's #9, but to use Hoppe's Bench Rest formula or Shooter's Choice solvent.

The manual does not go into why. Since they made and warranty the rifles, I just use the solvents that they recommend, and have had no problems.

HTH.

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Old January 28th, 2017, 06:56 AM   #8
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Originally Posted by M1AFL View Post
The owner's manuals that come with the newer SAI M1A's have information in the cleaning section telling you to not use Hoppe's #9, but to use Hoppe's Bench Rest formula or Shooter's Choice solvent.

The manual does not go into why. Since they made and warranty the rifles, I just use the solvents that they recommend, and have had no problems.

HTH.
I talked to SA on this and they recommend using bench rest after every shooting session. I personally use it when I want to remove some Cooper after 3-4 hundred rounds with regular 9 in between.

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Old January 28th, 2017, 11:47 AM   #9
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I use only std #9, cant imagine why SAI would recommend against it. I tried a bottle of #9 Copper Remover once and it was no better than the regular stuff which works good on copper. When I have a bore that #9 wont deal with I use Barnes CR10, much like Sweets.

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Old January 28th, 2017, 11:59 AM   #10
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I don't think they recommend against it.

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Old January 28th, 2017, 12:27 PM   #11
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doesn't high amounts of ammonia in some solvents shorten the life of chrome lining on the chrome lined barrels?

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Old January 28th, 2017, 12:30 PM   #12
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Originally Posted by spanky289 View Post
doesn't high amounts of ammonia in some solvents shorten the life of chrome lining on the chrome lined barrels?
You don't leave cleaners with high amounts of ammonia in the barrel for a long time. These are quick clean products.
Those with low amounts of ammonia are ok to leave in there for a time. They take time to work. Benchrest product is low Ammonia.

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Old January 28th, 2017, 01:19 PM   #13
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Quote:
Originally Posted by KYMountainMan View Post
I did a little test on this very thing awhile back on several of old knife steel (1095 Carbon) that I had lying around the shop.

I rubbed each piece with an old copper penny and used different solvents to see which worked best at removing copper.


Any of the "Copper Killer" or "Benchrest" style cleaners did really well, but they all caused light surface rust after only a few hours of leaving them on.

The most 'metal friendly' and non corrosive cleaner I used was Ballistol. It took a little extra cleaning with the nylon brush I was using, but after two applications, with a soak in between each, it did just as good.

Not supposed to leave harsh copper cleaners in the barrel more than 30mins to an hour at most. Follow up with a protective oil.

Thanks from JEFFJP_N_JJ
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Old January 28th, 2017, 04:11 PM   #14
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Originally Posted by Bill3508 View Post
Not supposed to leave harsh copper cleaners in the barrel more than 30mins to an hour at most. Follow up with a protective oil.
When i use copper removers like sweets or Montana extreme copper killer, i let it soak in the bore for about five minutes . I dry patch the bore and then nuetralize the bore with hoppes # 9 or shooters choice.

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Old January 29th, 2017, 04:06 AM   #15
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i would use it same as. Just remeber to flip the rifle upside down when using solvents in the M1A.

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