Heckler and Koch USC45 45AP 16.5" 10 Rounds

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. CA Customers must be active LE to purchase.

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Proforce Law Enforcement is a specialized firearms dealer exclusively serving law enforcement, military personnel, fire, EMS, security professionals, and veterans. Our store is not open to the general public; we operate on a "badge-only" basis, requiring customers to present valid credentials for access to our Brea, CA location in North Orange County.  

We provide firearms and tactical equipment tailored for first responders. If you are active, reserve, or retired law enforcement, a firefighter, fire engineer, veteran with an honorable discharge (DD214), or a security guard with a valid guard card, you’re welcome to shop with us. Active, reserve, or retired military personnel also qualify for access.  

To verify your eligibility, feel free to contact us.  Our mission is to equip those who protect our communities and homeland with the best tools and deals available.

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