This is a discussion on Does Sig no longer apply CK to the rails? within the SIG Sauer Pistols forums, part of the SIG Sauer Forum category; I think it is interesting that on my new P220 Scorpion, the frame rails are black. Though, searching the web and YouTube, I see that ...
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|08-31-2017, 07:13 PM||#1|
Does Sig no longer apply CK to the rails?
I think it is interesting that on my new P220 Scorpion, the frame rails are black. Though, searching the web and YouTube, I see that the rails on the older(?) models have CK to match the rest of the frame. Here's a picture. I dig the contrast and I'm sure the rails have no less protection. I'm just curious for the reason.
|08-31-2017, 08:14 PM||#3|
Yeah, I just did some digging and found it. Seems like coated rails were having reliably issues. I have yet to break this in; I'm planning to this Monday, I have a case of M1911 ammo I'm planning to use up.
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|09-01-2017, 05:28 AM||#4|
Join Date: Aug 2017
Location: NJ aka The Nanny State. ;)
Likes Received 15
If I think about this logically wouldn't the rails be the first place the finish would start to wear out the most?
Is the inside rail of the slide finished?
My combat is all finished but I do see the wear lines forming on the rails.
However I do agree the contrast looks good.
|09-01-2017, 08:22 AM||#8|
Join Date: Nov 2014
Location: Minden, NV
Likes Received 14241
Probably a wise move on SIG's part, and IMO, the right way to do it.
Anodizing is, relatively speaking, very thin, and much harder than the thicker Cerakote. If tolerances are "opened up" so the CK'ed parts will fit together and the gun will run reliably, as the CK wears away and the tolerances open up, you end up with a slopper loose fitting gun. By leaving the CK off those parts, the gun stays tight.
|09-01-2017, 12:46 PM||#9|
Join Date: Sep 2015
Likes Received 189
I was a little concerned that the rails might have been cerakoted without anodizing beneath until I started looking. I was pretty happy that Sig opted to just anodize the rails. That said, they didn't line up the anodizing with the cerakote well on mine. Near the back of the rails is a line of bare aluminum between the anodizing and the cerakote.
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