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Dirty Beast 5.56 AR-15 Billet Rifle 16″ – FDE

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“Dirty Beast” – 5.56 AR-15 Rifle – FDE 16″ 1/7 Twist


The world’s first AR platform that is fully shielded by WMD’s proprietary NiB-X nickel boron coating process—inside and out! Lesser ARs are much more vulnerable to excessive wear, moisture, corrosion, lubricant buildup, and powder fouling. But the 
 Beast rifle from WMD is practically unstoppable, thanks to our NiB-X coating technology. NiB-X not only guards against friction and wear, it virtually eliminates feeding problems associated with buildup of lubricant and residue.  The Dirty Beast is accessorized with Flat Dark Earth Furniture and rails.


The rifle comes with two magazines, two NiB-X 30 round magazines  and is packed in a ballistic fabric tactical bag, the Beast is ready 
for extreme performance in any environment, with MOA potential right out of the box.


In accuracy testing this rifle liked: Federal 69gr Match Kings = .85 moa at 200 yards Hornady 55gr FMJBT = 1.1 moa at 100 yards Federal American Eagle 55 gr FMJBT = .75 at 100 yards


Availability: In Stock

SKU: NIBX556-FDE Return Policy




    • LOWER RECEIVER: Billet 7075-T6 Aluminum Machined To Mil Spec Dimensions, Front Magazine Well Finger Grips,  NiB-X Nickel Boron Coated For Durability


    • UPPER RECEIVER: Billet Mil-Spec 7075-T6 Aluminum With M4 Feed Ramps. NiB-X Coated For Lubricity and Durability


    • BARREL: Match Grade Chrome Moly Vanadium Steel, 1:8 Twist, 16″ Government Or M4 Profile, Mid Gas System, Nitromet QPQ Salt Bath Nitrocarburized In The Bore For Extended Life And Accuracy, NiB-X Coated On The Outside For Durability And Heat Dissipation


    • BARREL EXTENSION: NiB-X Coated Barrel Extension for Extremely Smooth Locking and Unlocking With the Bolt


    • GAS SYSTEM: Low Profile Gas Block, CNC Machined From 4140 Steel and NiB-X Finished, Nitromet QPQ  Gas Tube, Direct Impingement


    • MUZZLE DEVICE: Compensator, 17-4 PH Stainless Steel, NiB-X Coated


    • BOLT CARRIER GROUP: M16 Profile, Mil-Spec MP Tested, NiB-X Coated For Reliability and Ease of Cleaning, Properly Staked Gas Key


    • FIRE CONTROL GROUP:  Hammer, Trigger and Disconnect coated in NiB-X for lower pull force (<6 lbs) and smooth reset


    • BUFFER: Carbine Buffer


    • SIGHTS: Optics Ready


    • HANDGUARD: Free Float MLOK Aluminum, NiB-X Coated Handguard


    • RECEIVER EXTENSION: 6 Position Mil-Spec 7075-T6 Aluminum, NiB-X Coated Inside And Out


    • BUTTSTOCK: Ti-7 FDE Colored Triangular Cheek-Weld Design for Comfort, Rugged Materials for Durability, Rubber-Like Buttplate for Non-Slip Contact Surface, 2 Water-Resistant Storage Chambers For Batteries or Cleaning Kits


    • PISTOL GRIP: FDE Colored Pistol Grip


    • Black Tactical Bag:  Ballistic Fabric Tactical Bag with Exterior Magazine Pockets, Shoulder Backpack Straps, Range Ready.


    • Made In The USA!





All WMD Guns’ Products Carry A 100% Satisfaction Guarantee Against Defects In Original Materials And Workmanship And Lifetime Guarantees On The Nib-X Coating From Flaking, Chipping Or Wear. If Your WMD Guns Product Shows Evidence Of Such Defects, WMD Guns Will Make Every Accommodation To Fix, Repair, Or Replace Your Product In The Most Expeditious And Inexpensive Manner Possible. WMD Guns Does Not Warranty Products or Damage Caused to Our Products by the Correct or Incorrect Installation of Other Manufacturer’s Products. Be Sure To Retain Your Sales Slip As Proof Of Purchase Date When Making A Claim.


Additional Information



    • Caliber:                  5.56mm NATO


    • Gas System:         Carbine


    • Product Weight:    7.1 Lbs


    • Length:                  33” – 36.5”


    • Magazine:             2 Nib-X Coated 30 Round Aluminum Magazines with Magpul Follower


    • Case:                    Black Ballistic Fabric Tactical Bag



Reviews (1)

1 review for Dirty Beast 5.56 AR-15 Billet Rifle 16″ – FDE

  1. James

    After much research and reading books, forums, and online articles, I decided to get purchase a beast at my local Turners. I was a bit skeptical on the performance of the rifle, but took the plunge anyway! A week or two later I took my first trip to the range with this rifle and after my first 10 rounds (Damn you California) I was absolutely floored at how dead nuts on this “Beast” was I had a 3″ grouping at 50 yards on my first try with just an eyeball zeroing. On my next go at it I measured a 2″ grouping after fine tuning my sights and it remained consistent the rest of the day even at 100 yards! I was so damn impressed I went out and bought myself the .308 Big Beast Rifle and now call these two my twins

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Please note that this product can only be shipped to an authorized FFL dealer. You may purchase this product from WMD Guns online store, but to receive your product, you will need to do the following:

  • Send your order receipt to an authorized FFL dealer in your state.
  • Ask them to forward your order number plus their FFL license to WMD Guns at customerservice@wmdguns.com or fax to (772) 618-1795.