FBI specification Glock 26 Gen 5 for agent off-duty and backup carry alongside the primary Glock 17M/19M. Type: Pistol Action: Semi-Auto Caliber: 9mm Luger Capacity: 10 Year introduced: 2018, USA Weight: 19.75 oz Overall length: 6.29" Status: Current (LEO only) Intended use: Law Enforcement, Backup