Description
H&K doesn't cut corners on their factory magazines, and this 13-rounder for the full-size USP40 is a good example of that. It's built from impact-resistant polymer with a high-tensile steel spring and a heat-treated polymer follower that keeps rounds feeding cleanly from start to empty. The numbered witness holes drilled into the body let you do a fast visual check on how many rounds you have left, which is a small detail that makes a real difference under pressure or at the range.
The flush-fit design means this mag seats flush with the grip the way H&K intended, so there's no awkward profile when carrying or holstering. The injection-molded polymer baseplate is removable, making cleaning and inspection straightforward without any special tools. Everything here is made to H&K's own tolerances, so fit and function in your USP40 full-size should be exactly what you'd expect from a factory mag.
The USP platform has a long track record in law enforcement and military circles, and the magazines are a big part of why it holds up so well over time. Whether you're running this as a replacement for a worn mag, adding to your rotation at the range, or keeping a spare ready for home defense, this is the right feed source for the gun.
Note that this magazine is designed specifically for the full-size USP40. It is not compatible with the USP40 Compact or the P2000.
Key Specifications
- Manufacturer: Heckler & Koch (H&K)
- MPN: 50248608
- UPC: 642230266711
- Caliber: .40 S&W
- Capacity: 13 Rounds
- Body Material: Polymer
- Spring Material: High-Tensile Steel
- Follower: Heat-Treated Polymer (Red)
- Baseplate: Removable Injection-Molded Polymer
- Finish: Black Matte
- Country of Origin: Germany
- Fits: H&K USP Full-Size .40 S&W
- Product Type: Factory Magazine
What’s Included
- 1x H&K USP40 13-Round .40 S&W Factory Magazine
Frequently Asked Questions
Will this H&K USP40 magazine fit the USP Compact or P2000?
No, this 13-round magazine is designed specifically for the full-size H&K USP40. It will not fit the USP40 Compact or the P2000, which use a shorter 12-round magazine. Make sure you are buying for the full-size USP40 before ordering.
Is this a genuine H&K factory magazine or an aftermarket mag?
This is a genuine factory magazine made by Heckler & Koch to their own specifications and tolerances. It is not a third-party reproduction. Using factory magazines in your USP40 is the best way to ensure proper fit and consistent feeding performance.
How do I check how many rounds are left in the magazine?
The magazine body features drilled and numbered witness holes along the side that allow for a quick visual round count without dropping the mag. It's a simple but practical feature that H&K builds in across their factory magazine lineup.
Can this magazine be used for duty carry or home defense, or is it just for range use?
Absolutely, it's appropriate for both. Because this is a genuine H&K factory magazine built to the same standards as what the pistol shipped with, it's suitable for any role you trust your USP40 to fill. The high-tensile steel spring and precision feed lips are designed for reliable performance when it counts, not just casual range sessions.
Is the baseplate on this magazine removable for cleaning?
Yes. The injection-molded polymer baseplate is removable, making it easy to field strip the magazine for cleaning or spring inspection. No special tools are needed, and H&K's design keeps the process simple.
How many of these magazines does the H&K USP40 typically come with from the factory?
New H&K USP40 pistols typically include two factory magazines. Picking up at least one or two additional mags is a smart move whether you use the gun for range training, competition, or as a home defense option. Having enough magazines to run multiple drills without constantly reloading is something most USP40 owners come to appreciate pretty quickly.





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