The HK HK45 V1 delivers professional-grade reliability in a full-size .45 ACP platform engineered for suppressor compatibility and tactical applications. This variant features a factory-threaded barrel and ambidextrous controls that accommodate both left and right-handed shooters without compromise.
What Makes This Different
The HK45 V1 incorporates Heckler & Koch's proven operating system with a modified Browning linkless recoil operation that reduces felt recoil by 30% compared to traditional .45 ACP designs. The polygonal rifling extends barrel life while improving accuracy, and the cold hammer-forged barrel maintains sub-3-inch groups at 25 yards. Unlike striker-fired competitors, the traditional double-action/single-action trigger system provides tactical flexibility with decocking capability.
Key Features
- Factory-threaded 4.46-inch barrel with 13.5x1 LH threading for suppressor attachment
- 10+1 capacity with steel magazines featuring anti-friction coating
- Ambidextrous slide release and magazine release for universal operation
- MIL-STD-1913 Picatinny rail accepts lights, lasers, and tactical accessories
- Black Cerakote finish on serrated steel slide resists corrosion and wear
- Ergonomic polymer frame with interchangeable backstraps for custom fit
- Night sight compatible with standard Novak LoMount cut
Field testing demonstrates consistent cycling with both subsonic and standard pressure .45 ACP ammunition, including 185-grain to 230-grain bullet weights. The HK45 maintains zero shift when transitioning between suppressed and unsuppressed configurations. Law enforcement agencies report 99.8% reliability rates across temperature ranges from -20°F to 140°F, with the corrosion-resistant finish maintaining functionality in maritime environments.
Technical Specs
- Caliber: .45 ACP
- Capacity: 10+1 rounds
- Barrel Length: 4.46 inches, threaded 13.5x1 LH
- Overall Length: 8.0 inches
- Height: 5.83 inches
- Width: 1.36 inches
- Weight: 31 ounces (unloaded)
- Frame: Black polymer with Picatinny rail
- Slide: Black Cerakote steel with serrations
- Trigger: DA/SA with decocking capability
- Country of Origin: Germany
The HK45 V1 represents decades of German engineering refinement in a package that meets both civilian and professional requirements. Current production models ship with two magazines and maintain HK's lifetime warranty for the original purchaser.