What can be expected from this barrel?

G

gknittel

Sergeant
Full Member
Minuteman
Jul 29, 2007
110
0
44
Buenos Aires, Argentina
#1
Hi guys, what do you think about this barrel?

Image1-1.jpg

Image2.jpg


It has 100 rounds thrugh it and it's been cleaned for the first time just before the photos.

Is this normal? Is that rust? Should I expect poor accuracy from it? Should I replace it?

Thanks alot
 
#3
Re: What can be expected from this barrel?

I'm usig hoppe's #9 benchrest and a nylon brush with a coated dewey rod.
I'm runing a couple of wet patches, wait 10 min, run the brush about 20 cycles, then wet patch followed by dry patches until one comes out completely dry.
After that, I ran a patch with oil because I'm not going to be using the rifle for some time.

Thanks alot
 
#6
Re: What can be expected from this barrel?

Hoppes #9 is a good powder solvent but it's not a good copper solvent.

Get a good copper solvent like KG-12.

What cartridge is the rifle? Something pretty high velocity?
 
#8
Re: What can be expected from this barrel?

That bore looks good to me from what I can see. There IS copper on the rifling. I find that if I leave #9 in my bore for a day, when I run another wet patch down the bore it comes out pretty green which I believe means it's cleaning the copper. However, I really don't worry about copper fouling at all. I just happened to leave my bore wet once and noticed that. Now I'll do it once in a while just for shits and giggles. Hell, I rarely clean the bore... Unless my accuracy has decreased.

...Oh, and the rifle I'm referring to is a .308.
 
#13
Re: What can be expected from this barrel?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: gk80</div><div class="ubbcode-body">What do you mean about the crown?
confused.gif
</div></div>

flyboy and I apparently had the same thought. The crown has a very sharp-practically 90 degree shoulder instead of a 12 or so degree chamfer. It isn't that the crown looks bad or damaged-but machined in a strange fashion.

IF the guns shoot well-all is good. More guns end up losing accuracy by careless and anal cleaning than by shooting IMO.A strong copper solvent like Sweet's 7.62 would leave a pile of BLUE patches dissolving the copper. If you are getting good groups I wouldn't worry about anything. Some tubes-especially factory barrels haven't been lapped and smoothed and as a result pick up alot of copper.
 
#14
Re: What can be expected from this barrel?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lt. Arclight</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: gk80</div><div class="ubbcode-body">What do you mean about the crown?
confused.gif
</div></div>

flyboy and I apparently had the same thought. The crown has a very sharp-practically 90 degree shoulder instead of a 12 or so degree chamfer. It isn't that the crown looks bad or damaged-but machined in a strange fashion.

IF the guns shoot well-all is good. More guns end up losing accuracy by careless and anal cleaning than by shooting IMO.A strong copper solvent like Sweet's 7.62 would leave a pile of BLUE patches dissolving the copper. If you are getting good groups I wouldn't worry about anything. Some tubes-especially factory barrels haven't been lapped and smoothed and as a result pick up alot of copper. </div></div>

Thanks, Said better than I could.
 
#15
Re: What can be expected from this barrel?

Finally I decided to clean it. I've never seen the steel of this barrel before... This is what I have now... what do you think? Does it look good?
I will test it tomorrow to see how it performs now and how fast it builds up copper and how many shots it takes to start opening the groups.
Thanks

barrel_after_clean1.jpg

barrel_after_clean2.jpg
 
#23
Re: What can be expected from this barrel?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: gk80</div><div class="ubbcode-body">Can I do something to smoth it? </div></div>

Yeah, keep shoting.
 
#24
Re: What can be expected from this barrel?

Wow. I've never looked that close at a factory remington barrel.

That is just pathetic. I have valve covers for my big block chevy that are better machined than that. Then I watch the Lilja video. Very disappointed in Remington after seeing that.

Those barrels will suffer from copper fouling until they day they are shot out.
 
#25
Re: What can be expected from this barrel?

I recognised that barrel from the crown, had the very same rifle.

I gave mine a gentle lapping before I started shooting, the groups came out excellent in the end, back of the thumbnail stuff at 100m. I even shot the top of a little green soldier figurene (you know the kind!) which someone left at the range, just to prove it could be done
smile.gif


I had to shoot the barrel in first though, about 40 rounds with a lot of cleaning. It grouped much better with a little bit of copper on the bore to even it out.

I wouldn't lap a barrel myself once it's been fired a few times, I've heard some bad stories about that.
 
#26
Re: What can be expected from this barrel?

That is a pretty darn rough bore. The two "clean barrel" photos of the muzzle are pretty damning.

Which model, exactly was that?

You mention 700 "Police" but there are a few different models sold / marketed primarily to law enforcement. E.g. 700P, 700P LTR, etc.

These rifles are actually held to a 1 MOA standard at remington. Are you achieving that?

If you are getting like .950, I wouldnt be happy with that but according to Remington, that would be considered "in spec" for a production 700P or 700P LTR.
 
#27
Re: What can be expected from this barrel?

J-B Bore Brite used according to instructions will very lightly polish the bore and smooth it a little. I've personally used it on numerous bores and it's never harmed a single one.

For normal cleaning, J-B Bore Cleaning Compound will remove all fouling from a bore; powder residue and copper.

If you Google J-B bore products, you'll find lots of information on both cleaning compounds.
 
#28
Re: What can be expected from this barrel?


My barrel is sort of similar... the other day i shot around a .25MOA group at 370 yards

If it shoots like ass in the hands of a good shooter then you have reason to complain.
 
#29
Re: What can be expected from this barrel?

I don't remember the exact model.
About the groups, I still didn't try to shoot small groups. I was using this rifle to learn proper position and recoil management.
As soon as I can I will go to the range with the clean barrel to shoot for groups and see how it performs.
Today I bought another Remington and the barrel looks much much better.
Thanks all for your comments
 
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