The SR1911 Lightweight Commander uses an anodized aluminum frame with a stainless steel slide, bringing the weight down to roughly 30 ounces while maintaining the full Ruger SR1911 feature set. An ideal balance of weight, performance, and Ruger value. Type: Semi-Auto Pistol Action: Single-Action Caliber: .45 ACP Capacity: 7 Year introduced: 2013, USA Weight: 29.3 oz Overall length: 7.75" Status: Active Intended use: Carry, Duty