HK USP-FS MAGAZINE - 40 S&W - 10 ROUND CAPACITY - 13 ROUND BODY - STEEL - BLACK

Heckler & Koch
MPN:
50248608
UPC:
642230266711
$60.69 - $61.69
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The Heckler & Koch USP-FS Magazine in .40 S&W delivers the factory-grade reliability and precision engineering that H&K shooters demand, offered here in a California-compliant 10-round configuration housed in a standard 13-round body.

  • Factory H&K magazine built to exact USP Full-Size specifications and tolerances
  • Chambered for .40 S&W with a California-compliant 10-round capacity
  • 13-round body profile ensures a proper, flush fit in the USP-FS grip
  • Durable steel construction with a polymer body for strength and light weight
  • Reliable steel spring and red follower engineered for consistent feeding
  • Polymer base plate absorbs impact and resists cracking during drops or rough handling

Who This Is For

This magazine is the ideal choice for California-based H&K USP Full-Size owners who need a compliant, drop-in replacement that maintains the full factory profile of their pistol. Whether you use your USP-FS for home defense, range training, or concealed carry, this OEM magazine ensures you never sacrifice fit or feed reliability for legal compliance.

HK USP-FS factory magazine in .40 S&W, 10-round capacity, black polymer body with steel construction Side view of HK USP-FS .40 S&W 10-round blocked magazine showing red follower and polymer base plate

Specifications

BrandHeckler & Koch (H&K)
Model CompatibilityUSP Full-Size (USP-FS)
Caliber.40 S&W
Capacity10 Rounds (CA Compliant)
Body Capacity13-Round Body
Body MaterialPolymer
Internal ConstructionSteel
Spring MaterialSteel
Follower ColorRed
Base PlatePolymer
FinishBlack
OriginFactory OEM
ComplianceCalifornia-Compliant (10-Round Block)

Frequently Asked Questions

Will this magazine fit my HK USP Compact or other USP variants?

This magazine is specifically designed for the HK USP Full-Size (USP-FS) chambered in .40 S&W. It is not compatible with the USP Compact or other H&K models such as the P30 or VP9. Always verify your pistol's model designation before purchasing to ensure a correct fit.

Is this magazine restricted to 10 rounds because it is blocked, or is it a purpose-built 10-round magazine?

This is a standard 13-round body magazine that has been permanently blocked to hold a maximum of 10 rounds, making it legal for sale and possession in California under the state's magazine capacity restrictions. The 13-round profile means it seats and fits in your USP-FS exactly as the full-capacity version would, with no grip gap or fit issues.

Can I use this magazine for self-defense or duty carry, or is it only suitable for range use?

Yes — because this is an authentic factory H&K magazine built to original specifications, it is fully suitable for self-defense, duty carry, and range training alike. H&K OEM magazines are held to strict tolerances for reliable feeding under stress, making them a trusted choice beyond casual range use. The steel spring and precision red follower help ensure consistent, failure-free ammunition presentation with every trigger pull.

Caliber:
40 S&W
Capacity:
10/13 Round
Color:
Black
Follower Color:
Black
Type:
Pistol Magazine
CA Compliant:
Yes
Platform:
USP-FS
Material:
Steel