The G40 Gen4 MOS is Glock's longest 10mm pistol, featuring a 6.02-inch barrel and MOS optics platform. It is purpose-built for hunting, woods carry, and competition use with 10mm Auto. Type: Semi-Auto Pistol Action: Striker-Fired Caliber: 10mm Capacity: 15 Year introduced: 2015, Austria/USA Weight: 32.28 oz Overall length: 9.49" Status: Active Intended use: Hunting, Competition, Outdoors