The Kel-Tec Sub-2000 Gen3 in .40 S&W accepts Glock 22/23-pattern magazines. Includes all Gen3 improvements — optics-forward folding capability, improved barrel, upgraded sights — in the .40 S&W configuration. Less common than the 9mm Gen3 but offers increased power in the same compact folding format. Type: Rifle Action: Semi-Automatic Caliber: 40 S&W Capacity: 15 Year introduced: 2023, USA Weight: 47.5 oz Overall length: 29.5" Status: Active Intended use: Survival, Home Defense, Range