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CLR follow up

After cleaning my Swift with CLR a week ago I shot it yesterday. After the first shot (fouler) the next 3 went into .357 at 95 yards. A vast improvement over the 1.5-2" I was getting. 39gr 4064, 53gr Sierra hp, 3700 mv, Ruger 77 ts, 24" Douglas, Leupold 2,5x8. I'll shoot it again when life allows. Barlow
 
What I seem to have found with CLR (how do you like that as a qualifying statemento_O) is that it does a nice job on everything except copper. I cleaned my varmint rifles after a PD shoot 1st using CLR, then got the copper out with Wipe Out Patch Out. Worked pretty well considering that two rifles had been shot about 300 rounds w/o cleaning and the other 2 had been shot 150. There was a huge difference between the 2 that had been shot 300 rounds and the two that had been shot 150. Incidentally, I took these rifles to the range after I got home, and before cleaning, to see how well they were still shooting. Amazingly, three of the four were still performing quite well. The three that were still shooting well were Muller Works and Krieger, the other one was a Douglas Premium & it wasn't all that bad but it was considerably harder to get clean.
 
Bore Tech C-4 Over CLR HANDS DOWN ! That was with the Unlimited Gun in my avatar. My Hawkeye doesn't lie.
I agree, got zip results from CLR after seeing carbon on both lands and grooves in a 300 wm. With multiple long soaks, even the the BT C-4 was not cutting the carbon as it did normally. After brushing, I would only see 1 light grey patch. JB, on a patch wrapped on brush, finally knocked it out quickly.

This barrel had always cleaned up very well with C-4 and Eliminator, so I got lazy and skipped scoping it, to verify, a couple of times. I know better than to trust patches, but I let that carbon harden and even C-4 wouldn't soften it much. Re-learned the lesson of using the Hawkeye to confirm.......each cleaning. CLR goes back under the sink.
 
I've personally found that a 50/50 mixture of skunk urine and tarantula spit really does a number on both.
Dean, You should get out your tweezers and pluck some hairs from your tarantulas. It will increase the scrubbing action in the grooves. I might have to try crushing up some of the scorpions that keep getting into my house. Gotta love desert life!
 
Bore scopes are great. But going from a 1.5-2” group down to less than .5” sounds like an awfully good improvement.
It was. It shot like it used to. But like I said I will shoot it again. Others on a previous thread had similar results, and some not. All I can say is a bunch of brown and black crud came out of the barrel and it then was much more accurate. I also tried it on a Rock Creek 6 Dasher barrel and no crud came out of it, probably because there wasn't any in it. Barlow
 
Well, if you want to strip off all the carbon and copper, I found just the thing. Warning, don't do this with your favorite barrel!

I got a gallon of Zep fence and deck cleaner, meant to be diluted in a pressure washer. Had a shot-out Savage SS fluted varmint barrel for a test subject. Never used any of those super fine cleaners you mention on this barrel, so lot's of carbon build up.

Put the barrel muzzle down in the jug and left it for 15 minutes. Took it out and water rinsed it. Came out darker and obviously etched a bit, but totally stripped the carbon out down to gray metal. Now I'm wondering if a 50% mix might strip the carbon without etching the barrel. Don't have another SS tomato stake to use.

Anyone want to experiment and report back your results?
 
A friend polished up a couple of pieces of barrel, one stainless, the other chromoly, and applied CLR to to both. Nothing happened to the stainless. The chromoly turned black and pitted. He said it looked like someone poured battery acid on it. His conclusion was that one should not use it on "moly" barrels, I forgot to ask him how long he left the CLR on the barrels...next time. This was done after successfully using the CLR to clean carbon that had been resistant to normal cleaning from stainless barrels. He applies it with bore swab, which he strokes up and down the barrel, followed by a bronze brush and then he repeats the procedure one or two times, never letting it soak. He has bore scope, and his after shooting accuracy has been excellent.
 
CLR makes me nervous. It's an acid, and over a period of time, I wonder about it's impact on a fire-cracked throat, for example. And I certainly would not want it dripping into triggers, bedding, and the like. I'm no chemist, and maybe overly cautious, but why bother when there are other solvents that work?
 
Clr will definitely destroy the finish on certain metals... I have a tub faucet that it completely removed the finish and turned at dark... We have used it for years with hard water in Texas... Waiting to see what the long term effects will be...
 
Clr will definitely destroy the finish on certain metals... I have a tub faucet that it completely removed the finish and turned at dark... We have used it for years with hard water in Texas... Waiting to see what the long term effects will be...

Just dont use it on a rifle. It doesnt work too good anyway compared to proven solvents
 

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