The HK HK45 V1 is a premium double action/single action pistol chambered in 45 ACP with a 10+1 capacity and 4.46" polygonal rifled barrel for exceptional accuracy and reliability.HK HK45 V1 Pistol - SKU 8100111345 ACP caliber with 10+1 round capacity4.46" polygonal rifled barrel for improved accuracyDA/SA (Double Action/Single Action) trigger systemBlack polymer frame with integrated Picatinny railBlack Cerakote serrated steel slideAmbidextrous safety lever for enhanced controlBlack frame finishEngineered with HK's renowned German precision this pistol features a durable polymer frame with accessory rail and ambidextrous controls making it ideal for tactical applications personal defense and competitive shooting.