The Steyr Arms M357-A1 is a austria-made striker-fired pistol chambered in .357 SIG, introduced in 2010. Primary use: self_defense, sport. Type: Pistol Action: Striker-Fired Caliber: .357 SIG Capacity: 13 Year introduced: 2010, Austria Weight: 26 oz Overall length: 7.1" Status: Active Intended use: self_defense, sport