Barrel – 9mm 12.7" – CHF – RCM – HK34 MP5


Each barrel is hand selected from the finest cold hammer forged steel (CHF) 41V45 barrel blanks. Expertly profiled & chambered in the desirable 16 flute chamber profile. Each barrel is then finished with the ultra desirable “nitrided” process for ultra long life and the finest in corrosion resistance. This barrel offering is the first commercial style barrel available for the masses! Perfect for your MP5/HK34 custom style builds. As an added bonus each barrel counts as 1 US made compliant part. 100% US made and machined from the finest CHF barrel blanks in the US. When only the finest of barrels will do this is it!
For use in all MP5, 94 To HK34 style builds:

  • HK34
  • Custom HK34 Style, MP5 builds


  • 12.7″ overall length
  • Threaded 1/2 X 28 with factory HK style splines
  • Front sight triple frame location for use with HK33/93 & G3K forearms
  • Features the attractive HK34 barrel contour, modeling & style
  • Finished in the ultra desirable “Nitride” process inside & out
  • Cold hammer forged from premium 41V45 CHF barrel blanks
  • True factory spec 16 flute chamber for the utmost in reliability
  • 100% US made and simply the finest US made barrel available!
  • Origin: USA
  • Brand: RCM
  • 922r Value: 1

In stock

SKU: HKP-17762

Additional information

Weight 13 oz

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