The Les Baer Thunder Ranch Special in 10mm Auto is a cooperative project between Les Baer Custom and Thunder Ranch shooting school, producing a hand-fitted Government-model 1911 in 10mm built to the demanding spec of a serious defensive and field pistol. Type: Semi-Automatic Pistol Action: Single-Action Caliber: 10mm Auto Capacity: 8 Year introduced: 2004, USA Weight: 38 oz Overall length: 8.5" Status: Active Intended use: self_defense, collecting, sport