The Compact Aluminum is Kimber's lightweight compact 1911 — aluminum frame with a stainless steel slide, 4-inch barrel, and a slightly shortened grip compared to the Government frame. A lighter alternative to the all-steel Pro Carry in the compact carry segment. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 7 Year introduced: 2000, USA Weight: 28 oz Overall length: 7.7" Status: Active Intended use: carry, personal_defense