The P220 chambered in 10mm Auto is SIG's most powerful single-stack service pistol, purpose-built for hunters, guides, and serious outdoorsmen who want full-power 10mm in a proven duty frame. The stainless slide and alloy frame combination handles 10mm's higher pressure without modification. Ships with factory night sights and a rail for weapon-mounted lights. Type: Pistol Action: DA/SA Caliber: 10mm Auto Capacity: 8 Year introduced: 2014, USA Weight: 34.4 oz Overall length: 7.7" Status: Active Intended use: hunting, outdoor, duty