The 16.5-inch HK433 is the export and law enforcement variant, providing a civilian-legal barrel length while retaining all the modular capabilities of the 14.5-inch military configuration. The HK433 bridges HK's piston technology with a more familiar AR-style control layout that reduces training overhead for departments transitioning from AR-platform rifles. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 30 Year introduced: 2020, Germany Weight: 84.5 oz Overall length: 35.4" Status: Active Intended use: law_enforcement, export, patrol