The SRT will install in any DA/SA Classic Series Pistol (P220, P225, P226, P228,
P229, and P239).
P320 Voluntary Upgrade Program | SIG SAUER
How to locate your P320 Serial Number. Your P320 serial number can be found by looking on the right side of the pistol grip. The serial number will be stamped ...
If you are calling about information or services on an existing firearm, please be sure to have the serial number ready for the customer service representative.
Tracking Of Sig Sauer P226 By Serial Number Lookup : Useful Links
Proof marks on the slide chin of a West German SIG Sauer pistol
Truth Tracker: What does the Liberals' gun ban really involve?
Yea, made in w.germany beside the sig sauer p226 logo. but on the other side of the frame it only say sig sauer.
I've compiled a fairly decent list of serial numbers and their related dates of import and/or
SIG post 2005 serial numbers - How to date your newer Sig handgun
Sig Sauer, P226 Dark Elite 226R-9-DSE-CA, 9mm, Pistol, 4.40", 01/ 01/2016
The fee is only $20 if you fail the background check.