May 13th Update: GunMag Warehouse is open and fulfilling orders.  Recent improvements have enabled us to significantly improve processing times (currently 1-2 business days).  Customer Service is limited to email only.

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ProMag HK USP Full Size .45 ACP 12-round Steel Magazine

ProMag HK USP Full Size .45 ACP 12-round Steel Magazine Left ViewEnlarge « »

ProMag HK USP Full Size .45 ACP 12-round Steel Magazine


Availability: In stock

Caliber: 45 Auto (ACP)
Capacity: 12-Round
Material: Steel
  • The follower is constructed of a proprietary DuPont Zytel based polymer to ensure a long service life
  • The springs are made from heat treated Chrome-silicon wire for increased reliability and smooth feeding
Shipping Restrictions


This is a ProMag STEEL 12-round magazine for HK USP pistols in .45 ACP

These combat-ready magazines are crafted from heat-treated blued steel with chrome silicon internal springs and impact-resistant Zytel polymer followers & baseplates.

Built like a tank and engineered to withstand untold amounts of abuse, Heckler & Kock’s USP is arguably the ultimate combat pistol—between its impressive features, robust construction and big-bore stopping power it’s truly a force to be reckoned with.

Engineered to meet or exceed factory standards for optimum fit and function, ProMag USP magazines come with a lifetime replacement guarantee, ensuring you’ll always have a working magazine on hand.

Grab a few backup magazines for your USP pistol today!