The P220 Stainless replaces the alloy frame with stainless steel, adding roughly two ounces to the unloaded weight. The additional mass is a functional advantage for a .45 ACP competition gun, softening perceived recoil. The two-tone bright stainless over dark anodized appearance was a signature SIG aesthetic through the late 1990s. Type: Semi-Automatic Pistol Action: Double-Action/Single-Action Caliber: .45 ACP Capacity: 8 Year introduced: 1998, Germany Weight: 29.6 oz Overall length: 7.7" Status: Discontinued Intended use: competition, target