Caliber: 45 ACP. Capacity: 10-round magazine. Barrel: 4.53”. Weight: 1.73 lbs. Length: 7.52” overall. Grips: Ergonomic with adjustable grip panels. Sights: Low-profile, drift-adjustable. Features: Polygonal rifling, ambidextrous controls, operates on improved Browning linkless recoil system. Available in Tactical and Compact variations. Tactical models come with threaded barrel, adjustable TruGlo high-profile sights, Picatinny rail. Values are for the standard HK45 model; add 4% for the HK45 Compact model; add 20% for the HK45 Tactical model; and add 28% for the HK45 Compact Tactical variant.