JMac Customs

12.5” 5.45x39mm CHF Barrel

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Current Stock:
22.00 Ounces
Mounting Device
Add a Gas Block
Windage Drum
Front Sight Post
Add a Cleaning Rod
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Machined from US made Cold Hammer Forged Blanks and then Nitrided these barrels are the perfect option for a front end upgrade or new build!

This barrel is compatible with our GBC-13 gas block OR the Bulgarian AK-102/104/105 gas block combo!

Used in conjunction with the GBC-13 you will have a .030" shoulder allowing you to use crush washers or shims to install most 1/2-28 muzzle devices including suppressor mounts.

Extractor relief, hand guard retainer cuts and gas port are all included, along with a taper on the trunnion end allowing easy alignment for installation. The bore is guaranteed to be concentric with the threads at the muzzle. 

  • Barrel Length - 12.625”
  • Twist Rate - 1:7.68”
  • Threads - 1/2-28
  • Journal Size - 22mm (0.868”)
  • Gas Port - #48 (0.076”)
  • Material - 41v50 Cold Hammer Forged
  • Finish - QPQ Salt Bath Nitride
  • Counts as 1 922r compliance part

This is for a barrel ONLY, not an assembled front end

Concentricity is only guaranteed at the muzzle

12.5" barrel installed in a rifle will make it a SBR, make sure to follow all state and federal laws.

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