The Heckler & Koch HK45 is a hammer-fired .45 ACP pistol built around a durable polymer frame and a double-action/single-action operating system. This threaded-barrel configuration includes suppressor-height sights, a left-side safety and decocking lever, an ambidextrous slide release, and interchangeable backstraps for a more adaptable grip fit. Its 5.2-inch barrel is threaded M16x1 left-hand for compatible muzzle devices and suppressors.

Key features

• Double-action/single-action operation provides a deliberate double-action first trigger pull and a shorter single-action follow-up
• 10+1 capacity supports practical range, duty, and defensive use
• 5.2-inch threaded barrel uses an M16x1 left-hand thread pitch for compatible muzzle devices
• Suppressor-height front night sight and rear sight maintain an elevated sight line for use with a suppressor
• Left-side safety and decocking lever provides manual control over the hammer-fired action
• Ambidextrous slide release supports manipulation from either side of the pistol frame

The HK45 combines adaptable ergonomics, suppressor-ready features, and proven Heckler & Koch construction in a full-size .45 ACP pistol.