The Heckler & Koch USP Full Size .40 S&W 13-Round Magazine is a genuine factory handgun magazine built to H&K’s own specifications and tolerances (H&K part no. 50248608). It combines a durable polymer body and base plate with a steel spring, giving it a flush-fit profile suited to both range use and carry. Drilled and numbered witness holes down the body let you check remaining rounds at a glance, and precision-machined feed lips keep ammunition seated securely through hard use. H&K builds these magazines from high-quality materials specifically to provide the perfect fit, durability, and reliability the USP platform is known for. For USP Full Size owners, it’s the correct factory magazine to keep on hand as a spare or replacement.

Key Specifications

• Chambered for .40 S&W.
• Holds a 13-round capacity.
• Fits the USP Full Size pistol.
• Body constructed from polymer.
• Base plate constructed from polymer.
• Spring made of steel.
• Follower finished in red for visibility.
• Includes drilled and numbered witness holes.
• Uses a flush-fit profile suited for carry.
• Genuine Heckler & Koch factory magazine.

Frequently Asked Questions

Does this magazine fit the USP Compact as well?

No, this is sized specifically for the USP Full Size; the Compact uses a shorter, lower-capacity magazine.

Is this an aftermarket magazine or genuine H&K?

It’s a genuine H&K factory magazine, built to H&K’s own specifications and tolerances.

What’s the follower color for?

The red follower makes it easy to see at a glance whether the magazine is loaded or empty.

Buy the Heckler & Koch USP Full Size .40 S&W 13-Round Magazine

Keep a genuine factory spare on hand for your USP Full Size — Schaefer Defense ships fast from our Lubbock, TX gun shop, nationwide.