Anderson 24" 5.56 NATO Heavy Spiral Fluted Barrel, Stainless

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The 24″ 5.56 NATO Heavy Spiral Fluted barrel is the perfect barrel to start your next build and add to your AM-15 collection. This barrel is made from 416R Stainless Steel with a CNC Machine Polished finish. Featuring a rifle length gas system with a .936″ gas port and a 1:8 twist, this barrel provides top accuracy and precision for your 5.56 NATO build.

  • Chamber: 556 NATO
  • 1:8" twist rate
  • For 0.936" gas blocks
  • Heavy spiral flute
  • No muzzle threads
  • 416R Stainless steel
  • Target Crown
  • Button rifled
  • Uses a 15.125" Rifle gas tube
  • Length: 24"
  • Made in the USA
  • Weight: 1930g

    You get:

    1. One barrel with Barrel Extension pre-installed

    Compatible with:

    • AR-15, M16 stripped uppers 
    • 0.936" gas blocks
    • No Muzzle devices
    • Standard BCG carrier groups (you need to verify headspace to be safe)
    • Mil-spec barrel nuts (OEM and free-float grip nuts)
    • 223 or 5.56  ammo

      Installation Difficulty:

      Tools required: To get it installed and working you should have the Armourers tool and a vice block.

      Installation notes: You will need a gas tube of the correct length. Besides that, Youtube is your friend, and it is highly recommended to check the headspace.

      These barrels should be broken in. Doing so will help your barrel perform consistently over its lifespan. To break it in, simply

      1. Shoot 25-40 rounds
      2. Clean the bore
      3. Inspect the gas block to ensure it is still attached securely. Inspect the Bolt for unusual signs of wear.
      4. Repeat the above steps four more times. 

      MFG part number: AM-04-24SPIRAL

        More Information
        Brand Anderson Manufacturing
        Exterior Profile Bull
        Muzzle thread Not threaded
        Gas system length Rifle-Length
        Barrel Length 24"
        Chamber 5.56×45mm NATO
        Gas Block Diameter 0.936
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