The HK433 is HK's direct competitor in the German Bundeswehr rifle replacement program, combining HK416 reliability with a modular design approach and AR-15-style lower ergonomics for improved international market compatibility. The 14.5-inch barrel is the primary military configuration. The HK433 uses a short-stroke piston system and accepts standard STANAG magazines. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 30 Year introduced: 2020, Germany Weight: 83.2 oz Overall length: 33.5" Status: Active Military use: Yes Intended use: military, law_enforcement