Stubborn copper fouling in new Glock 17

How would you damage a barrel by cleaning with brass and patches? (sincere question)

Some people don't wash their cars and they run fine. Like I said I don't mind a dirty gun, but when DO clean it - it concerns me when I can't get it clean.




Not entirely. I have shot some lead bullets through it as well, so it might be that too - just with some copper color stuck on top of it I guess?



Hi, I don't reload myself. These are "factory reloads" and I only shot them to see how a heavier bullet feels, I don't usually stock or buy this ammo.

http://www.ipscstore.eu/en/aresammo/946-ares-9x19-luger-150gr-50pcs-box-2000000009469.html

"Surface: CEPRX - Ares casted colour full painted bullets, similar to TMJ"
Lot of people over the years have ruined barrels with heavy solvents and aggressive cleaning. The biggest problems I see is harming a barrel crown by improperly using a brush.

I guess my point is that in a pistol barrel it doesn't matter in terms of accuracy. If you manage to get the barrel pristine unless you plan on never shooting it again it will be fouled the next time out. I am not saying allow excessive build up but a small amount of copper fouling is nothing to worry about. IMHO YMMV
 
Anhydrous ammonia has no water. 'Anhydrous' means without water. The stuff is extremely toxic.
Ammonia diluted in water is Windex.

Remember T......this is the internet....lol. A lot of keyboard experts out there. I helped build our ammonia tank farm and wrote all the procedures for its operation. This stuff is dangerous as you mentioned.....and will bring you to tears with the slightest whiff. We evacuated and purged the tanks when a problem arose. The tanker trucks used as "water scrubbers" were sold as aqueous ammonia for the manufacture of household cleaners such as windex and fertilizer.

To keep this post on topic I will repeat my opinion on ammonia based cleaners.....They work very well on copper fouling......so if it won't get the color out of a barrel it probably isn't copper....
 
I assume it's coppar as there is a slight brownish color to it when looking at the muzzle end.

Copper fouling looks like copper....it ain't brownish.

When shooting lead bullets, it is a good idea to clean before switching to jacketed bullets.

I have never seen a barrel "ruined" by cleaning. I ain't talking about match barrels.

I have seen barrels ruined by not cleaning.

It ain't a good idea to use ammonia in a gun barrel. It is very caustic and will eat gun barrels.

I never use an abrasive cleaner in a gun barrel.

I have used Wipe Out Foaming Bore cleaner for a while now. It has never failed to remove large amounts of copper. I use a bore scope to inspect the barrel before and after cleaning. That is how I know a barrel is clean.

The Wipe Out will do nothing other than remove copper. Other cleaners are used to finish the job.
 
It ain't a good idea to use ammonia in a gun barrel. It is very caustic and will eat gun barrels.

That is simply not true....more intent hyperbole. The materials used to make many gun barrels are similar to those used in ammonia piping, valve bodies and seats.
 
SWEETS_762__73649.1438038667.1280.1280.jpg
 
Copper fouling looks like copper....it ain't brownish.

Took a picture after the range session today. This is how it looks from the muzzle end after 100 rounds (FMJ). Was clean when I started.

From the chamber end it's easy to see the fouling on the mirror finish after cleaning, but it's not possible to tell what color it is.
 

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I have a varmint rifle that doesn't like fouling. It wants to be clean. Butch's and Sweet's are about the best I have found on copper fouling. just remember to oil the bore after your done. Let it set for a while then dry the bore and your good to go.
 
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