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Anderson 16" 5.56/.223 M4 Barrel

Anderson 16" 5.56/.223 M4 Barrel

  • 19517


Made in Merica by our good friends at Anderson machine, this barrel has very good accuracy even with cheap Tulammo. If you want to build a standard M4 style carbine, you won't find a better value.

  • Chamber: 5.56
  • 1:7" twist rate
  • For .750" gas blocks
  • Made from 4150 steel 
  • 1/2"-28 muzzle threads
  • Parkerized finish
  • Button Rifling
  • Chrome bore
  • Requires a 9.75 inch Carbine-Length gas tube
  • 0.068" gas hole
  • M4 exterior profile with grenade launcher notch
  • Made in the USA
  • Anderson model # AM-04-16M4-1-7-CL
  • Length: 16"
  • Weight: 835g

You get:

  1. One barrel with Barrel Extension pre-installed

Compatible with:

  • AR-15, M16 stripped uppers 
  • 0.750" gas blocks
  • Muzzle devices with 1/2"-28 muzzle threads
  • Standard bolt carrier groups (you need to verify headspace to be safe)
  • Mil-spec barrel nuts (OEM and free-float grip nuts)

    Installation Difficulty:

    Tools required: For the barrel itself, none but 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.


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