
I called a few dealers in the area and none of them had seen one without proof marks or just never noticed I guess.
Sig p226 serial number uu 631105 manufacture date serial numbers#
Scroll down to the serial numbers U xxxxx it looks like yours was anywhere between 20.Wow, Thanks for the awesome breakdown Jim. Scroll down to the serial numbers U xxxxx it looks like yours was anywhere between 20. Here is a link to the date related to the serial number for USA made (or assembeled Sigs P226}: When later they started making the frames in the USA as well they changed the serial number to start with UU xxxx. The letters decode as follows: A 0 B 1 C 2 D 3 E 4 F 5 G 6 H 7 J 8 K 9 If yours does not. Underside of the slide at the muzzle end next to the proof marks. Originally Posted By Growler67: SiG date codes are stamped 2 letter codes. Other than that everything looks OK.Īlso from the U in the serial number means that your gun is made (or in this case since the frame was made in germany) assembeled in the USA. Sig Sauer Date Of Manufacture By Serial Number. The one in your slide is the older model that is used on non stainless steel slides, while the one in stainless steel slides is the pin with the dome shaped rounded ends. The only thing that looks odd (to me at least) is the firing positioning pin. All USA made slides do not have the proof marks at the bottom of the slide cover. So your model is assembled in the USA with a German made frame and a USA made slide (no need for proof marks on the slide in this case).

The proofing marks you are talking about are on slides that were made in Germany (not stainless steel and they had internal extractors). Well what you have is a stainless steel slide with external extractor that is made in USA and a German made frame.
