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-   -   Glock 19 threaded barrel (http://www.firearmstalk.com/forums/f56/glock-19-threaded-barrel-94572/)

brettc 07-28-2013 06:01 PM

Glock 19 threaded barrel
 
1 Attachment(s)
I've had a threaded glock 19 factory barrel for a year now. I've noticed copper looking streaks inside the barrel that go with the grooves...is this rust in my barrel or what? Sorry for the crappy pics. Best I could do. I've used mpro 7 copper remover and nothing. Thinking about contacting lock possibly.

mountainman13 07-28-2013 06:20 PM

From the pics it Looks like rust.
I'm not experienced with mpro7. I've heard good things though.
What kind of mop or brush do you use for cleaning? Have you tried any other solvents or oils?
Are you sure it is a factory barrel?

brettc 07-28-2013 07:04 PM

Yes it's a factory glock stamped barrel. When I rub a qtip over the spots it doesn't show any hang up or seem rough. It has a very low round count, maybe 300 total. I most often use a bore snake post range time. Clean with froglube. I wish I could get a clearer picture. Bcz it's very goldish(like copper).

brettc 07-28-2013 07:06 PM

Purchased from diamond back police supply on June 19, 2012.

mountainman13 07-28-2013 08:36 PM

If it doesn't catch on a q-tip and it isn't rust, I wouldn't worry too much.
You could try a different type of brush and a different solvent but it likely isn't worth the trouble.
It's a glock. Just keep shooting.

brettc 07-29-2013 12:00 AM

Curiosity mostly. I have two other glock barrels and neither show this discoloration with the same ammo. Ill keep my eye on it and get into contact with cs.

mountainman13 07-29-2013 01:54 AM

Quote:

Originally Posted by brettc (Post 1318555)
Curiosity mostly. I have two other glock barrels and neither show this discoloration with the same ammo. Ill keep my eye on it and get into contact with cs.

I'd be interested in knowing their response.

brettc 07-29-2013 05:16 AM

I'll be sure to post their response here

rimshaker 08-07-2013 02:40 PM

I checked both my G19 and G21 factory threaded barrels and have similar copper/bronze streaks. Nothing to really worry about imo. They're most likely just color stains from the bullets. Typical barrel rifling has lands and grooves (or hills and valleys). The copper streaks were only on the lands (hills) in my barrels. So it kinda makes sense.

Any response yet from Glock?

brettc 08-08-2013 02:06 PM

Yes heard back from glock. They said this is typical in their threaded barrels. The armored suggested soaking the barrel in hoppes #9 copper solvent over night. I'm just thankful it's NOT rust. Thanks for checking your barrels, makes me feel better.


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