HK 51K Barrel

100% US RCM Manufactured HK51K CHFBarrel. Made from the exact HK51K barrel specifications & cold hammer forged steel as HK German barrels. Counts as one US for 922R compliance. Perfect for custom builds and HK51K style builds.
HK51K CHF Barrel:
  • 5.3″ inches long
  • 1:10 twist
  • Chambered 7.62 NATO
  • 12 flutes in chamber – Just like HK German barrels.
  • Knurled sight ring
  • Splined barrelfor posative lockup ofHKflash hiders
  • Threaded 15 X 1 RH (factory thread pitch)
  • 41V45 cold hammer forged (CHF) barrel steel.
  • Nitride Black (same process HK/Sig & Glock use on their barrels and slides.)
  • U.S. Made Barrel counts as one 922 compliant part

5 in stock

SKU: RCM-GB-G313 Category: