I'm sure this wouldn't be nearly as useful to seasoned SIG owners, but it could help those that are starting off with the brand and wanting to know what each pistol model number means (i.e. Glock 19 = compact 9mm double stack) as a quick resource for those conducting a google search. Included...

This is the model number of a P226 40sw with a DAK trigger. The W in front is significant, in my understanding, that it's for law enforcement/government entities only. Does anyone know for sure what the W means in front of the model number and what it does to the price? Thanks.

Greetings. I bought a Sig P220 from a police sergeant a few years ago and I was about to sell it. When typing the description I realized I wasn't entirely sure exactly what model it was in the first place. It is solid black, has a 4.25"ish barrel (closer to 4.5" if measuring the entire piece...