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5.56 20″ Heavy Barrel – Rifle Length

Rated 4.66 out of 5 based on 35 customer ratings
(35 customer reviews)

$80.00$207.99

  • BARREL LENGTH: 20″
  • CALIBER: 5.56 NATO
  • TWIST RATE: 1:9
  • PROFILE/CONTOUR: Heavy
  • MATERIAL: 4150 Chrome Moly Vanadium
  • FINISH: Parkerized
  • GAS SYS: Rifle
  • DIAMETER AT GAS PORT: .750″
  • MUZZLE THREAD: 1/2-28
  • TREATMENT: Non RF85
  • ADDITIONAL SPECS/NOTES: Barrel is compatible with .223 Ammunition.
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UPC: N/A 640901514291 712038721276 SKU: N/A Categories: , Tags: , , , , , , , , , ,

Additional information

Weight N/A
Dimensions N/A
Treatment

Non-RF85, RF85 Treated

35 reviews for 5.56 20″ Heavy Barrel – Rifle Length

  1. Rated 5 out of 5

    Scott

    I bought one of these for my 2nd AR15 build. The fit and finish was perfect. You will find no better barrel for the money than an Anderson Manufacturing barrel. Shipping was quick and flawless.

  2. Rated 5 out of 5

    dmarrero6

    Just installed on an H-Bar rifle build, using all Anderson Mfg parts of course. I would have preferred a 1-8 twist rate, but since 90% of the rounds will employ the standard 55gr FMJ pill, it won’t be a problem. This barrel paired with the 14.5″ rifle tube is a great package. Light, strong and sleek looking too!

  3. Rated 5 out of 5

    proulxlaw

    Great barrel. I’ve shot 1/2″ inch groups with cheap 55g bullets. Fit and finish was good and no issues installing on Anderson upper. I would have preferred a 1/8 twist. I’ve tested 77g bullets only out to 300yds. but no tumbling at that distance. My rig has a 15″ Midwest quad rail (desert color) and I painted my upper and lower with Brownells Alumihide. Good cheap paint and my rig looks pissa all desert color except barrel and optics. I have a YHM phantom. Most of my parts are Anderson and I’ve been happy with everything that I bought from them. I wish they would produce cooler quad rails like Midwest or YHM and I wouldn’t have to buy anything elsewhere.

  4. Rated 5 out of 5

    Andy

    So far so good. Installed this barrel for a coyote rig. All Anderson parts minus the tube and flash hider. 1/2 MOA groups with some custom vmax loads. My only complaint….its gosh darn cold in Wisconsin right now to sit outside for more then ten min at a time. Have parts list ready for 300 Blackout. Which will also be all Anderson components. Thanks for a great product, and the 2015 line up looks great too!

  5. Rated 5 out of 5

    David

    Does this barrel have M4 feed ramps?
    Thanks for you help

    • Tom Steffner

      Yes Sir

  6. Rated 5 out of 5

    David

    I just received this barrel in the mail and my question is the line up pin on the barrel should it go in the groove with ease or will it need to be forced in with the barrel nut? Thanks

  7. Rated 4 out of 5

    David Rivenburgh

    Do these barrels come with any hardware. ..barrel nut, gas block, ect.
    What is thread size?

    • Tom Steffner

      No gas block, 1/2-28 thread pitch

  8. Rated 4 out of 5

    Rand

    Will this barrel stabilize Hornady 75gr. Superformance ammo?

    • Tom Steffner

      No Sir, use a 55gr

  9. Rated 4 out of 5

    Chris

    I own the .308 HBAR and dropped it on a mk11 build, outstanding performance. I know THIS barrel (5.56) won’t do too much with 77gr but how about 62gr? And would there be an advantage over the traditional 18″ for an SPR build, other than the obvious velocity gain?

  10. Rated 5 out of 5

    Shannon

    Can this barrel be fluted

  11. Rated 5 out of 5

    Samantha

    Ordered my barrel in the afternoon Wednesday, sitting on the door step noon on Friday. EXCELLENT! super fast shipping and barrel looks great. Haven’t shot it yet but definitely good quality.

  12. Rated 4 out of 5

    dscfour

    i want to order this barrel,was worried about anyone having cycling problems.this will be my first build with a 20 inch barrel ?

    • Michael Johnson

      No you should be good to go to order this barrel.
      We use these on complete uppers and have no issues.

  13. Rated 5 out of 5

    dave

    Thinking of ordering this barrel- does it have the slots/holes for the A2 front sight pins on the under side of barrel to mount a standard A2 sight/gas block? THX!

    • Michael Johnson

      No they do not

  14. Rated 5 out of 5

    chris

    I just ordered this barrel as part of my first build and it was shipped the same day. Amazing. I do have a question just to clarify. This barrel has m4 feed ramps and therefore can be used with an m4 upper receiver?

    • Michael Johnson

      Yes that is true

  15. Rated 5 out of 5

    Kevin

    Do you know when these will be back in stock?

    • Michael Johnson

      These are on order and should be in soon.

  16. Rated 5 out of 5

    Kevin

    I want to order this barrel but am wondering if it will fit my ruger 556?

    • Tom Steffner

      Depends on your Ruger, is it Mil-Spec?

  17. Rated 5 out of 5

    Kevin

    Im not sure. I am new to firearms. My rifle is a box stock ruger ar 5.56

  18. Rated 5 out of 5

    Robert Wood

    is the barrel chrome lined?

    • Tom Steffner

      No Sir

  19. Rated 4 out of 5

    steve

    Are these barrels stamped HBAR on the barrel?.

    • Tom Steffner

      No Sir

  20. Rated 5 out of 5

    Jay Kowalkoski

    dose it come with berrelnut

    • Tom Steffner

      No Sir

  21. Rated 5 out of 5

    Ricardo silva

    Is the gas hole already drilled?

    • Tom Steffner

      yes sir

  22. Rated 1 out of 5

    Danny

    well, so far not good. I ordered the 20” hbar on feb 11. it is now feb 23. my order status is still in fulfillment. at the time of order it said in stock and now it says out of stock. I really wish someone could have let me know this. I will cancel order and order somewhere else. the customer support has not been very helpful at all.

    • Michael Johnson

      We show the order shipped on the 23rd
      UPS Ground – 1Z50536X0390096625
      Shows should be delivered today
      Thanks

  23. Rated 5 out of 5

    don

    What size gas tube do i use for this barrell

    • Michael Johnson

      you need a rifle length gas tube

  24. Rated 5 out of 5

    don

    What size gas tube do i use for this barrell and what is the recomended front sight post/gas block configuration?

    • Michael Johnson

      if you use a front sight post that will be your gas block.

  25. Rated 5 out of 5

    Terry

    Is this barrel pinned for front sign/gas block combination? If not do you all make a 20 inch barrel that is?

  26. Rated 3 out of 5

    Randy Larson

    I purchased this barrel, BCG and all realated parts to build a rifle.
    Order was processed and shipped very quickly.
    #1 the bolt had sharp edges on the ware surfaces. The bolt could not be used
    Before I took a fine stone to it a removed them, I feel that there could be a
    Better workmanship and inspection before they ship.
    #2 I finished the build the rifle would not lock back after the last round was fired. I checked out everything.
    Further inspection it was under gassed. The hole in the barrel was not drilled out correctly
    Meaning the bit would not even go through the hole, drilled it out to correct size .093.
    Still would not lock back. I drilled it out to the next size the rifle works perfect.
    The plus this barrel shoots .75 MOA with my reloads

    To anyone who buys any manufacturers products this can happen, inspect the parts
    Will I buy again yes

  27. Rated 5 out of 5

    Brian b

    Can I put a low profile gas block on this?

    • Michael Johnson

      yes you can

  28. Rated 5 out of 5

    Buckman

    Will this Barrel work on a dpms oracle upper ?

    • Michael Johnson

      yes you should be able to switch out the barrel

  29. Rated 5 out of 5

    Ben

    Can I mount an A2 sight post to this barrel? I have a rifle I purchased from you and was looking to get a rifle length gas tube and reuse my sight post. Just wondering if I will have any issues?

    • Michael Johnson

      yes you can mount a front sight to this barrel

  30. Rated 4 out of 5

    John fisher

    Do they have m4 feed ramps

    • Michael Johnson

      Yes these do have M4 feed ramps

  31. Rated 5 out of 5

    Dylan

    Looking into purchasing this barrel, i know id need a rifle length gas tube and different gas block but would i really need a rifle length buffer, spring and tube? Thanks

    • Tom Steffner

      Yes use all rifle length

  32. Rated 5 out of 5

    Giovanni SMith

    not really a review but when will this barrel with no treatment be back in stock??

    • Michael Johnson

      we are updating inventory on Fridays at 430pm eastern

  33. Rated 5 out of 5

    Rob Anderson

    Mr. Michael Johnson, you are a very patient man with all of these questions. Thank you!
    Everybody else, read the spec sheets will you!

  34. Rated 5 out of 5

    luis

    do the barrels come with the taperd pins drilled out for the front sight post, or can they be done in store?

    • Michael Johnson

      no they do not come with the holes drilled.

  35. Rated 5 out of 5

    Joel Emery

    When will the non treated barrel be back in stock?

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