Barrel – USP .40 To .357 Sig Caliber Conversion


HK USP .40 Full Size To .357 Sig Conversion Barrel.

Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available for the HK USP full size .40 pistol. The perfect barrel to use as a spare or for replacement parts. Each USP .40 to .357 Sig barrel is a drop in replacement for your HK USP .40 Cal full size or USP .40 Tactical pistol.

Fits the USP .40 full size models:

  • Traditional button rifled bore for use with jacketed and non-jacketed ammunition
  • 4140 stress relieved & properly heat treated steel
  • Micro polished feed ramp
  • Machined to exact tolerances for proper fitment
  • Overall length 4.20″
  • Finished inside and out in the “Nitride” process for enhanced service life
  • 100% made in the U.S.A
  • Not for use in the USP Compact models
  • Condition: new
  • Origin: USA
  • Section: Pistol Slide Parts
  • Brand: RCM
  • Type: Barrels
  • Caliber: 357 SIG

Out of stock

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SKU: HKP-17746

Additional information

Weight 5 oz

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