This a used Sig Sauer P220 Nitron chambered in 45 ACP.   This is the 3.9" Barrel, Decocker and Sig Lite night sights.  The sight glow bright.  This comes as pictured with the original box, two mags and the instruction book.  This firearm is rated 95 to 97 % condition showing minimal signs of use with normal handling marks and does not show any signs of holster wear.