Barrel- US – 6.10" – Mark 23


HK Mark 23 Non-Threaded Extended Barrel – 6.02″ CUSTOM MADE LIMITED NUMBER!
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 Mark 23 .45 pistol. The perfect barrel to use as a spare or for replacement parts. Each Mark 23 barrel is a drop in replacement for your HK Mark 23 pistol. Perfect for CA compliance as the barrel is LONGER than the 6″ requirement. Custom made and finally available in limited numbers.
Fits all Mark 23, SOCOM .45 models:

  • Austempered & finished inside & out in an ultra durable nitride hardening process
  • Traditional button rifled bore for use with jacketed and non-jacketed ammunition
  • 4140R double stress relieved & fully heat treated steel
  • Micro polished feed ramp
  • 1:16 Twist
  • CA compliant 6.02″ overall length, non-threaded
  • Each barrel is chambered in .45 ACP with a polished feed ramp
  • Machined to exact tolerances for proper “drop in” fitment
  • Finished inside & out in the “Nitride” process for enhanced service life
  • Includes the factory German HK O-ring installed
  • 100% made in the U.S.A
  • Limited offer only available at HKPARTS
  • Origin: USA
  • Section: Pistol Slide Parts
  • Brand: RCM
  • Type: Barrels
  • Caliber: 45 ACP

In stock

SKU: HKP-16561

Additional information

Weight 6 oz

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