Gen4 G19 as the primary base pistol for the Lone Wolf Distributors aftermarket ecosystem. Lone Wolf produces more aftermarket Glock components than any other company; the G19 Gen4 is the most-modified base pistol in the aftermarket industry. Type: Semi-Auto Pistol Action: Striker-Fired Caliber: 9mm Capacity: 15 Year introduced: 2010, Austria Weight: 23.99 oz Overall length: 6.85" Status: Active Intended use: Concealed Carry, Competition