P226 MK25 Barrel Issue

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Sebenza27

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Hi guys, I have a P226 MK25, and fired under 200 round. Now I got a barrel inside rust or brass cover or something else, I don't. Not the whole barrel inside, just about 1/2 inch in the front. The inside looks not flat and shining (I think this barrel should be chromed).

I have already used Hopper's No.9 and Elite Gun Cleaner to try to clean it, but could not be removed. Could someone help me to figure out what happened to my barrel and how to fixed it?

Thanks a lot.

WechatIMG8445_zpsdikzrxyq.jpeg


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Update, has already use Hopper's copper remove to clean, but still have some thing inside the bore, see the picture below, is this abrasion or copper or something else fouling? How can I clean it?

WechatIMG347_zpsovbzi8xw.jpeg
 
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It should be a chromed barrel, and that just looks like copper to me. Don't worry about it. If you REALLY want your barrel to look as clean as possible, use Wipe-Out.. Works 10x better than Hoppe's copper remover, and 10x easier as well.
 
Update, has already use Hopper's copper remove to clean, but still have some thing inside the bore, see the picture below, is this abrasion or copper or something else fouling? How can I clean it?

WechatIMG347_zpsovbzi8xw.jpeg


WechatIMG384_zpsz5oaemde.jpeg


WechatIMG385_zpst8ds15si.jpeg
 
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Not all MK 25 have chrome barrels, there has been quite the discussion on a a couple Sig specific forums I belong too. I looks to me like you have one of the non-chrome lined barrels.
You should see the chrome wrap around the front of the muzzle and would be pretty obvious colour difference.
As for the discolouration it's just burnishing from the copper jackets.
PM me if you want links to the other forums.
 
Looks fine. Its a gun, shoot it, clean it and stop treating it like it's grandma's fine china. You are firing a copper jacketed projectile faster at around 1300 fps and there is friction and heat in doing so. Nothing remains new.
 
Sebenza27 said:
So, you mean my barrel is "half-chrome"? Just around the front of the muzzle?
Click to expand...

If that was directed at me...then the answer is No. It looks to me like you don't have a chrome barrel at all. As I said before you would see the hard chrome on the outside of the muzzle. Also have a look for the small "c" at the end of your model number on your pistol box any MK25 that shipped with a chrome barrel is labeled that way, no "c", no chrome. Otherwise Google how do I know if my Sig barrel is chrome lined, look at the pics. See what a sig chrome barrel looks like. See that yours isn't chrome lined carry on shooting your excellent pistol. According to Sig only pistol still being shipped with a chrome lined barrel is the the p220 & p226 combat.
All the best.
 
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