P226 returned to factory for new slide!?!

That's crappy... I'm sure they just want it for proof or for their records. I've dealt with SIG a few times. They're good to go man. Just send them the gun. :)
 
SIG's production practices typically make such parts essentially drop-in parts. Precision in manufacture (a lot of it automated, CNC, etc.) makes hand fitting unnecessary for most (if not all) parts.

In theory, anyway...

There's always the problem of stacking tolerances or parts milled with new cutters vs. parts cut with worn cutters.

I just think their lawyers (of course) have advised that it is more prudent (and cheaper in the long run) for them to do the work than entrust the consumer to do it then get sued later if something goes wrong.
 
There's always the problem of stacking tolerances or parts milled with new cutters vs. parts cut with worn cutters.



Sorry, and please don't take this the wrong way, but whoever the one was that came up with this "tolerance stacking" on the gun forums to justify why a pistol doesn't work knew very little about manufacturing and much less about machining, or "milling" as many of them describe it. The term means nothing in reference to what they think it means, and certainly not in regards to two parts such as a frame and slide.
 
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Uncle,

Ah, thx for the clarification on serial numbers. My Sig is an older W. German version. I thought they kept the same serial number process.
 
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