The STI Apeiro is a 2011-format match pistol designed for USPSA Production and Limited division, featuring a 5-inch ramped barrel, adjustable rear sight, match trigger, and an enhanced frame-to-slide fit. The Apeiro was positioned as STI's answer to the growing CZ Shadow 2 and Tanfoglio competition in the European IPSC Production division market. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2010, USA Weight: 38.5 oz Overall length: 9" Status: Discontinued Intended use: USPSA Production, IPSC Production, Competition