H&K USC 45 ACP Carbine - 16.5"

Manufactured by Heckler & Koch
SKU: 81000092
MPN: 81000092
Manufactured by Heckler & Koch
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NOTE: Limit 20 per household. Quantities exceeding 20 will not allow checkout.

Items that are regulated by the ATF have restrictions and requirements: 
•Your entire order will ship only to a Federal-Firearm License holder.
•Please contact your local FFL prior to placing your order to ensure they are still accepting transfers.
•A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to ffl@primaryarms.com.



The H&K USC 45 is a pistol caliber carbine that closely resembles the iconic UMP submachine gun. The H&K UMP submachine gun was created based on the MP5 weapon system except is was designed around the larger .45 ACP cartridge. The Heckler and Koch USC utilizes the same reliable blowback operating system as the UMP and features the same polymer frame construction. Where the Heckler & Koch USC 45 differs from its military counterpart is the integrated skeletonized stock and of course—only has two selector positions. Additionally, it features a 16.5” cold hammer forged barrel.

  • Chambered in .45 ACP
  • 16.5” cold hammer forged barrel
  • Polymer construction
  • Skeletonized stock
  • Windage and elevation adjustable rear sight
  • Ambidextrous safety lever
  • Oversized trigger guard
  • Polymer 10 round magazine
  • Lifetime warranty
  • Weight: 6.13 lbs

The HK USC 45 features integrated fixed sights that are fully adjustable and the polymer frame is compatible with Heckler and Koch picatinny rail segments for attaching lights and accessories. The charging handle is left side only, non-reciprocating, and can be locked back like their other iconic firearms. Included is a 10 round polymer magazine and a lifetime warranty.

For over half a century, Heckler & Koch has been a leading designer and manufacturer of small arms and light weapons for law enforcement and military forces worldwide. Because of this experience, they are able to take what they have learned and apply it to the sporting and commercial markets to produce innovative and technically advanced products. Their products range from sub-compact handguns to the widely popular piston driven semi-automatic rifles. The durability of these pistol and rifle systems make them extremely cost-effective when analyzing the long-term life cycle. Heckler and Koch is committed to be a leader and innovator in the firearms industry by having a “no compromise” attitude so that their customers receive the best possible products.
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Barrel Coating
Barrel Length16.5
BrandHeckler & Koch
Caliber Gauge.45 ACP

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