HK USC .45 ACP Limited-Run Semi-Automatic Rifle – 16" Cold-Hammer-Forged Barrel, 25-Round Magazines
This 2022 limited-production Heckler & Koch USC brings the proven UMP submachine-gun design to the civilian market in a rare, collectible configuration. Built in Germany and imported under SKU 81000445, it combines HK’s simple blowback, closed-bolt reliability with a lightweight glass-fiber-reinforced polymer chassis. Limited availability, matching serial components, and factory accessories make this example stand out to shooters and collectors alike.
Condition
Overall Condition: Excellent – showing only faint signs of any prior use or handling.
Bore Condition: Excellent – clean, mirror finish, no signs of wear.
Rifling Condition: Excellent – sharp lands and grooves.
Specific Condition Notes: Light handling marks are present but do not affect function or appearance.
What’s Included
- HK-branded black soft rifle case
- 2 HK factory 25-round polymer magazines
- Two mag pouches
- Two boxes of 25 rounds ammunition
The USC is engineered around a robust simple blowback system that maintains consistent cycling with standard .45 ACP loads while remaining easy to maintain. Its 16" cold-hammer-forged, nitrided barrel is non-threaded to comply with import requirements yet offers long service life and corrosion resistance.
A one-piece polymer receiver integrates the stock, pistol grip, and magazine well, reducing weight and eliminating fasteners. Steel reinforcing blocks add strength at critical stress points without compromising the rifle’s 50-state legal configuration.
The fixed, skeletonized thumb-hole stock features a rubber buttplate and molded cheek rest for solid shoulder welds. Ambidextrous two-position safety levers and a left-side reciprocating charging handle keep the manual of arms familiar to HK enthusiasts.
Factory hooded post front and adjustable rear sights provide a clear sight picture out of the box, while built-in hard points on the receiver top and handguard accept optional Picatinny rails for optics and accessories.
Limited to a single 2022 production run, this USC bears CIP “N” nitro proof and “CC 2022” date codes, plus the Heckler & Koch Inc., Columbus GA importer mark—details that confirm authenticity and add collector value.




