Long slide 10mm Glock Gen 4 — the non-MOS designation, though all production G40s include the MOS cut. Reference entry for catalog completeness. Type: Pistol Action: Semi-Auto Caliber: 10mm Auto Capacity: 15 Year introduced: 2015, Austria Weight: 31.39 oz Overall length: 8.98" Status: Active Intended use: Hunting, Competition, Bear Defense