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14.5” 5.45x39mm CHF Barrel-JMac Customs


14.5” 5.45x39mm CHF Barrel-JMac Customs features

  • Barrel Length - 14.625”
  • Twist Rate - 1:7.68”
  • Threads - 1/2-28
  • Journal Size - 22mm (0.868”)
  • Gas Port - .068”
  • Material - 4150 Cold Hammer Forged
  • Finish - QPQ Salt Bath Nitride
  • Counts as 1 922r compliance part

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! At a length of 14.625” and 1/2-28 threads these barrels allow you to install Jmac Customs GBc-13gas block combo and permanently attach either JMac Customs Facemount RRD-4C Sandman Key-Mo or RRD4-C 556 to achieve and OAL of 16”! This will drastically change the handling of your rifle by reducing weight and shifting the balance rearward.


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


Concentricity is only guaranteed at the muzzle

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Atlantic Firearms,llc
10337 Bunting Road
Bishopville, MD 21813
Office: (410) 352-5183
Voice: (410) 352-5183
Fax: (410) 352-3374