Derived from the HK UMP submachine gun, the USC is a civilian utility carbine that uses the classic hard-hitting .45 ACP cartridge. Matched with a simple and ultra-reliable blowback operating system, the HK USC is a radical departure from traditional firearms designs.

Extensive use of the same durable reinforced polymers found on HK’s line of military and police arms ensures lightweight and durability. And the highest grade of weapons steel is used where it matters —in the cold hammer forged target barrel and the solidly constructed bolt mechanism. User ergonomics are not sacrificed. The skeletonized buttstock is capped with a comfortable rubber cheek rest and recoil pad.

The web of the pistol grip is open for a comfortable handhold for a wide range of shooting applications. Hard points located on the top and sides of the receiver and handguard make attachment of optional Picatinny rails easy —allowing almost any kind of accessory to be mounted.

HK USC Semi-Automatic Features

Tough, lightweight, corrosion-proof polymer construction
Molded-in hard points for mounting accessories
Rear sight is adjustable for windage and elevation
Ambidextrous safety/selector lever
Oversized trigger guard for easy operation while wearing gloves
Sixteen-inch cold-hammer forged target hammer
Polymer 10-round magazine

Must Ship to FFL Dealer	Yes
Shipping Weight	13.580 Pounds

HK USC Semi-Automatic Centerfire Rifle .45 ACP 16.5″ Barrel Matte Black Pistol Grip

By TASTYTSUNAMI

Overview: A Rugged, Straightforward .45 ACP Carbine Built for Reliability

The HK USC Semi-Automatic Centerfire Rifle .45 ACP 16.5″ Barrel Matte Black Pistol Grip is a purpose-driven civilian carbine engineered for durability, simplicity, and consistent performance. Manufactured by Heckler & Koch, the USC (Universal Self-loading Carbine) is designed to deliver the proven reliability of the .45 ACP cartridge in a compact rifle platform.

For shooters searching for the HK USC Semi-Automatic Centerfire Rifle 45 ACP 16.5″ Barrel Matte and Black Pistol Grip, this model offers a unique combination of low-recoil shooting, robust polymer construction, and the legendary engineering standards associated with HK firearms.

At TASTYTSUNAMI, we highlight firearms that provide dependable real-world performance. The HK USC stands out as a simple, rugged, and highly controllable semi-automatic rifle ideal for close-to-medium range applications.

Designed for Simplicity and Dependability

The HK USC Semi-Automatic Centerfire Rifle .45 ACP is built with a focus on functional reliability over complexity.

It is designed for:

Recreational target shooting
Tactical-style training
Home defense applications
Close-range precision shooting
Low-recoil shooting practice

Its straightforward design ensures ease of use and long-term dependability.

.45 ACP Performance in a Rifle Platform

Chambered in .45 ACP, the USC delivers a unique shooting experience compared to traditional rifle calibers.

Key advantages include:

Low recoil impulse
Subsonic performance characteristics
Strong short-range stopping power
Excellent controllability for new shooters

In a rifle-length barrel, the .45 ACP becomes extremely smooth and stable.

16.5-Inch Barrel for Balanced Performance

The 16.5-inch barrel provides a practical balance between velocity and compact handling.

Benefits include:

Improved muzzle velocity over handgun platforms
Enhanced accuracy potential
Compact overall rifle length
Smooth cycling performance

This barrel length is optimized for close-to-medium range shooting.

Matte Black Polymer Construction

The HK USC is known for its durable polymer construction.

Features include:

Lightweight synthetic body
High resistance to impact and wear
Matte black non-reflective finish
Reduced maintenance requirements

This makes it ideal for rugged use and frequent handling.

Straightforward Blowback Operating System

The rifle uses a simple and reliable blowback operating system.

Advantages include:

Fewer moving parts for reliability
Easy maintenance and cleaning
Consistent cycling with .45 ACP loads
Proven mechanical simplicity

This contributes to the USC’s reputation for dependability.

Ergonomic Pistol Grip Design

The pistol grip configuration enhances shooter control.

Benefits include:

Improved weapon handling
Better recoil control
Natural shooting posture
Faster target acquisition

This design supports intuitive operation for most shooters.

Accuracy and Practical Shooting Performance

The HK USC Semi-Automatic Centerfire Rifle .45 ACP delivers solid real-world accuracy within its intended range.

Typical performance includes:

Consistent grouping at close-to-medium distances
Stable recoil behavior for follow-up shots
Reliable point-of-impact consistency

It is optimized for practical shooting rather than long-range precision.

Recoil Management and Shooting Comfort

The .45 ACP cartridge contributes to extremely manageable recoil.

Benefits include:

Minimal shooter fatigue
Easy control for new shooters
Fast follow-up shots
Smooth shooting experience

This makes it an excellent training and recreational platform.

Optics and Accessory Compatibility

The HK USC supports modern accessory integration.

It allows:

Red dot optics
Reflex sights
Tactical slings
Aftermarket mounting solutions (platform dependent)

This enhances usability for different shooting styles.

HK Engineering and Build Quality

Heckler & Koch is known for strict manufacturing standards.

The USC reflects:

High durability engineering
Precision machining and molding
Long-term reliability focus
Military-inspired design philosophy

This ensures a robust and dependable firearm platform.

HK USC vs Traditional AR-Style Carbines

Compared to AR-15 platforms, the USC offers:

Larger caliber (.45 ACP vs 5.56)
Simpler blowback operation
Polymer-based construction
Reduced mechanical complexity

However, AR platforms offer greater modularity and range.

Ideal Use Cases

The HK USC Semi-Automatic Centerfire Rifle .45 ACP 16.5″ Barrel Matte Black Pistol Grip is ideal for:

Home defense applications
Recreational shooting
Close-range tactical training
Low-recoil practice platforms
Collectors of HK firearms

Reliability in Real-World Conditions

The USC is designed for dependable operation.

It performs well in:

Range environments
Controlled tactical training
Frequent handling use
Basic field conditions

Its simplicity supports consistent long-term reliability.

Why Shooters Trust HK Firearms

Shooters trust HK because the brand delivers:

High manufacturing standards
Proven operational reliability
Military-grade engineering philosophy
Durable polymer construction systems

The USC continues that tradition in a civilian-friendly platform.

Why TASTYTSUNAMI Recommends It

At TASTYTSUNAMI, we recommend firearms that offer dependable performance and practical usability. The HK USC Semi-Automatic Centerfire Rifle .45 ACP 16.5″ Barrel Matte Black Pistol Grip stands out for its simplicity, durability, and smooth-shooting .45 ACP platform.

Final Thoughts

The HK USC Semi-Automatic Centerfire Rifle .45 ACP 16.5″ Barrel Matte Black Pistol Grip is a rugged and straightforward semi-automatic carbine designed for reliability and ease of use. With its blowback system, durable polymer construction, ergonomic pistol grip, and soft-shooting .45 ACP chambering, it provides a unique and practical shooting experience.

For users seeking a simple, dependable, and low-recoil semi-automatic rifle, the HK USC available at TASTYTSUNAMI is a solid choice built for consistent real-world performance.

Cartridge	45 ACP
Capacity	10 Round
Weight	6.13 Pound
Overall Length	35.43 Inches
Barrel Length	16.5 Inches
Twist	1:16
Hand	Right
Youth	No
Action Type	Semi-Automatic
Stock Type	Pistol Grip
Stock Material	Synthetic
Stock Color	Black
Safety	Selector
Threaded Muzzle	No
Barrel Finish	Matte
Front Sight	Fixed Sights
Rear Sight	Adjustable
Frame Material	Polymer
Scope Included	No
Frame Finish	Black
Magazine Style	Detachable
Fluting	No

HK USC Semi-Automatic Centerfire Rifle .45 ACP 16.5″ Barrel Matte Black Pistol Grip

Product Information

HK USC Semi-Automatic Features

HK USC Semi-Automatic Centerfire Rifle .45 ACP 16.5″ Barrel Matte Black Pistol Grip

Overview: A Rugged, Straightforward .45 ACP Carbine Built for Reliability

Designed for Simplicity and Dependability

.45 ACP Performance in a Rifle Platform

16.5-Inch Barrel for Balanced Performance

Matte Black Polymer Construction

Straightforward Blowback Operating System

Ergonomic Pistol Grip Design

Accuracy and Practical Shooting Performance

Recoil Management and Shooting Comfort

Optics and Accessory Compatibility

HK Engineering and Build Quality

HK USC vs Traditional AR-Style Carbines

Ideal Use Cases

Reliability in Real-World Conditions

Why Shooters Trust HK Firearms

Why TASTYTSUNAMI Recommends It

Final Thoughts

hk 21 semi auto

HK USC Semi-Automatic Centerfire Rifle 45 ACP 16.5? Barrel Matte and Black Pistol Grip