Heckler & Koch

HK UMP40 .40 S&W Barrel (German Factory, ~7.87")

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SKU:
HK-UMP-BARREL-SURPLUS
  • HK UMP40 .40 S&W Barrel (German Factory, ~7.87")
  • HK UMP40 .40 S&W Barrel (German Factory, ~7.87")
  • HK UMP40 .40 S&W Barrel (German Factory, ~7.87")
  • HK UMP40 .40 S&W Barrel (German Factory, ~7.87")
  • HK UMP40 .40 S&W Barrel (German Factory, ~7.87")
$349.95

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Description

Genuine Heckler & Koch factory barrel for the UMP40 submachine gun, chambered in .40 S&W. This German-made barrel features cold-hammer-forged construction with polygonal rifling for improved accuracy, durability, and ease of cleaning. It includes the characteristic flanged muzzle for compatible HK muzzle devices and is designed for easy pin-in installation/removal in UMP uppers.

Key Features:

  • Caliber: .40 S&W
  • Length: Approximately 7.87" (200 mm)
  • Material: Steel, cold-hammer-forged
  • Rifling: Polygonal (right-hand twist)
  • Markings: HK stamped with caliber indicators
  • Origin: Germany (factory surplus / police trade-in style)

Compatible With:

  • HK UMP40
  • USC-to-UMP .40 conversions
  • Compatible UMP-pattern builds and clones (e.g., certain Omega or similar platforms)

Ideal for caliber conversions, spare/replacement use, or builds. Installation requires the barrel retaining pin. Inspect and function-test with a qualified gunsmith before use. Check local laws regarding firearm parts and NFA rules as applicable.

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