Well, I originally found this on cs-dl, in black/silver color. I downloaded it, made it black/black, scratched some shit up, and revamped it to the fucking max. I reskinned a lot of shit from scratch too btw and optimized some colors.
I believe this is my best skin, I hope you do too.
Kamy's P226 Customs
Simply unzip the file to the directory:
../SteamApps/(YOUR EMAIL)/counter-strike source/cstrike/