The STI Nitro 10 is a dedicated 10mm double-stack 2011 pistol with a 5-inch bull barrel, steel frame, and adjustable rear sight. Designed specifically for metallic silhouette competition and handgun hunting, the Nitro 10 provides the 2011 frame's reliability and trigger quality in full-power 10mm Auto with a match-grade barrel for precision at extended range. Type: Pistol Action: Semi-Automatic Caliber: 10mm Capacity: 16 Year introduced: 2006, USA Weight: 41 oz Overall length: 8.7" Status: Discontinued Intended use: Metallic Silhouette, Hunting, Competition