HK USC .45 Auto (ACP) 16.5in Black Semi-Automatic Modern Sporting Rifle – 10+1 Rounds

The HK USC .45 Auto (ACP) is a civilian utility carbine derived from the legendary HK UMP submachine gun. Chambered in the hard-hitting .45 ACP cartridge, this semi-automatic modern sporting rifle delivers powerful performance, unmatched reliability, and innovative design for tactical, recreational, and home defense applications. The USC represents a radical departure from traditional firearm designs, combining advanced ergonomics with rugged construction.

Blowback Operating System and Precision Engineering

The USC features a simple yet ultra-reliable blowback operating system, ensuring consistent performance and ease of maintenance. Its 16.5-inch cold-hammer forged target barrel is made from high-grade weapons steel, providing superior accuracy and long-term durability. The bolt mechanism is solidly constructed to handle the high pressures of the .45 ACP cartridge, making the USC a dependable firearm for all shooting environments.

Ergonomic and Lightweight Design

Extensive use of durable, reinforced polymers—identical to those found in HK’s military and law enforcement firearms—keeps the USC lightweight while maintaining rugged durability. The skeletonized buttstock features a comfortable rubber cheek rest and recoil pad, while the open web of the pistol grip offers a secure hold for a wide range of shooting positions. At only 6 lbs, the USC is easy to handle and maneuver without sacrificing control or comfort.

Modular Accessory Compatibility

The USC is designed for customization. Molded-in hard points on the top and sides of the receiver and handguard allow for optional Picatinny rail attachments, enabling shooters to mount optics, lights, and other aiming devices. The rifle also features an adjustable rear sight for windage and elevation, an ambidextrous safety/selector lever, and an oversized trigger guard for operation while wearing gloves.

Specifications

Additional Features

• Reinforced polymer construction for lightweight durability
• Skeletonized buttstock with rubber cheek rest and recoil pad
• Molded-in hard points for accessory mounting
• Optional Picatinny rails for optics, lights, and other devices
• Adjustable rear sight for precise windage and elevation control
• Ambidextrous safety/selector lever for versatility
• Oversized trigger guard for use with gloves
• Includes polymer 10-round magazine

Why Choose the HK USC .45 ACP?

The HK USC .45 Auto (ACP) combines the legendary reliability of Heckler & Koch firearms with the stopping power of the .45 ACP cartridge. Its innovative design, ergonomic features, and modular accessory options make it an ideal choice for tactical applications, home defense, and recreational shooting. With lightweight polymer construction, a cold-hammer forged barrel, and fully adjustable sights, the USC delivers accuracy, performance, and versatility in one compact package. Learn more about Heckler & Koch firearms here.