SIS Ultra is the compact 3-inch Officers-size member of the SIS family — the LAPD SIS specification (KimPro II, front strap checkering, extended controls) applied to Kimber's most compact 1911 platform. Designed for deep concealment for undercover LAPD SIS operations. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 7 Year introduced: 2007, USA Weight: 25 oz Overall length: 6.8" Status: Discontinued Intended use: concealed_carry, law_enforcement