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clean barrel...bad accuracy

 
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  #8  
Old 09-27-2012, 06:05 PM
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Location: N. Utah
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Re: clean barrel...bad accuracy

Im also pretty new to shooting long range, but in my recent experience I had the exact opposite problem as you. I was working up a new load and having horrible luck with it, I had about 150 rounds threw the gun and as soon as I stripped the copper out it went from 4 inch groups to sub MOA groups. I clean my gun fully now every night after I've gone out shooting. And I have learned my cold bore shots are spot on with the following shots.

Just like has been said above. Every rifle is different just have to go with what your barrel likes
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  #9  
Old 09-28-2012, 12:27 AM
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Re: clean barrel...bad accuracy

As you said, you didn't completely get all the copper out. IME, Hoppes #9 wont remove it. There are special copper solvents that will remove the copper fouling.

Even with the strong stuff, it takes time or alot of patching to get a barrel completely copper free. Your problem could still be copper fouling.

Guess if it were me; I'd clean it down to bare metal (copper solvent soaked patches no longer showing any blue/green color.........or very little at least), and then go shoot. Paying attention to how many rounds it takes to shoot in good again, and how many additional rounds it takes to start throwing fliers.

If it simply wont shoot good, even after 50 rounds, then you have another problem.
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  #10  
Old 09-28-2012, 08:42 AM
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Re: clean barrel...bad accuracy

Quote:
Originally Posted by SBruce View Post
As you said, you didn't completely get all the copper out. IME, Hoppes #9 wont remove it. There are special copper solvents that will remove the copper fouling.

Even with the strong stuff, it takes time or alot of patching to get a barrel completely copper free. Your problem could still be copper fouling.

Guess if it were me; I'd clean it down to bare metal (copper solvent soaked patches no longer showing any blue/green color.........or very little at least), and then go shoot. Paying attention to how many rounds it takes to shoot in good again, and how many additional rounds it takes to start throwing fliers.

If it simply wont shoot good, even after 50 rounds, then you have another problem.
What he said.

I've had to use 3 evenings and a lot of patches to clean a rifle that was really dirty. Once clean it shoots wonderfully now and is one of my most accurate rifles. Personally I use the products from BoreTech and they work very well. I don't think there is even a bottle of Hoppe's #9 in the house.
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  #11  
Old 09-28-2012, 09:21 AM
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Location: Texas
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Re: clean barrel...bad accuracy

Some will disagree with this but the best a barrel can shoot is when its clean.

A clean barrel is as good as it will ever be because fouling is not consistantly applied and
shot to shot consistency (SDs) will not be as good.

This is not to say that "your/A" load will not shoot better in a fouled barrel if you work up the
load under these conditions.

I believe in working up loads in a clean barrel (I Clean between test loads after break in is complete)
and find that the test loads provide better data. A fouled barrel skews the data and even though you
may find a decent load other loads may shoot terrible.

A clean barrel seems to be more forgiving as to what you put through it also.

As other posters have stated; Clean the barrel back to bright metal, shoot your test loads to see
what the barrel does as you shoot (When accuracy falls off) and you will know when to clean.

Most custom barrels start to degrade in the 4 to 9 shot range. factory barrels are a different
beast all together and need more break in and fouling is more of a problem, so you just have
to experiment with them.

Some people like to season a barrel ((Foul a barrel until it will group) and even though the
groups are good, you will never find out how good the barrel really is.

J E CUSTOM
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  #12  
Old 09-28-2012, 09:25 AM
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Re: clean barrel...bad accuracy

Quote:
Originally Posted by Dr. Vette View Post
What he said.

I've had to use 3 evenings and a lot of patches to clean a rifle that was really dirty. Once clean it shoots wonderfully now and is one of my most accurate rifles. Personally I use the products from BoreTech and they work very well. I don't think there is even a bottle of Hoppe's #9 in the house.
...............But it smells so good.......

If you can afford one, a bore scope is the only way to fly (clean/check for deposits of copper, powder and carbon plus check the throat for erosion.

In reality, if you can't see in there, do you really know if it's clean or not, what condition the rifling is in or what the crown looks like? Not really. Cleaning becomes a crapshoot because you don't actually know if it's cleaned properly or not and you certainly have no idea what the bore looks like inside, if it's heat checked, if it has tooling marks (that degrade accuracy)....

I realize a good borescope isn't a cheap date but is costs no more than a medium priced LR optic and certainly less than a new rifle. I use mine for many things besides guns.

BTW, Hoppes will pull copper. It's just not as agressive as some others.

Lots of theories abound but you really don't know what the condition is because you can't see in there. Sort of like a blind man feeling his way along.....
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  #13  
Old 09-28-2012, 05:23 PM
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Re: clean barrel...bad accuracy

Why would you clean the tube if you're shooting sub Minute groups at 400 yards?
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  #14  
Old 09-28-2012, 05:24 PM
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Join Date: Dec 2011
Posts: 80
Re: clean barrel...bad accuracy

Thought the copper would damage barrel


I'm new to.the game
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