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Big Beast .308/7.62×51 Billet Carbine 18”

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The WMD Beast was the world’s first AR10 rifle fully coated with our proprietary NiB-X
nickel boron coating process. We designed this rifle to be hands down be the most
reliable, battle/hunting ready, low maintenance AR10 platform on the market.
Now, WMD’s new Big Beast takes all the attributes that made its 5.56 predecessor such
a benchmark in the industry, and beefed up to .308/7.62×51.

In accuracy testing this rifle liked:
Federal 168gr Match Kings = 1.25 moa at 200 yards
Hornady 150 gr FMJBT = 1.1 moa at 100 yards
Federal American Eagle = 150 gr BT 1.0 at 100 yards

Availability: In Stock

SKU: NiBX308C Return Policy



WMD Guns Big Beast .308 WMD-10 AR10 Standard on this model:


All exterior surfaces and key internal components permanently coated in the NiB-X process for extraordinary corrosion resistance, permanently “lubricious” feel, and ferocious wear & abrasion resistance.


• Features WMD’s renowned NiB-X bolt carrier group and NiB-X fire control group.


• 18” barrel with 1:10 twist and Melonited bore for exceptional, long-term accuracy.


• Free-floating barrel; surrounding keyhole or mod handguard features fully adjustable rails.”


• Lower Receiver: Billet 7075-T6 Aluminum with Front Magazine Well Finger Grips and NiB-X Nickel Boron Coated for Durability


• Upper Receiver: Billet 7075-T6 Aluminum NiB-X coated for lubricity and durability.


• Barrel Extension: DPMS style NiB-X coated barrel extension for extremely smooth locking and unlocking with the bolt.


• Carbine Length Gas System: Low Profile Gas Block, CNC Machined from 4140 Steel and NiB-X finished, Nitromet QPQ Gas Tube, direct impingement


• Bolt Carrier Group: DPMS style, MPI 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 (<6lbs) and smooth reset


• Comes with a Magpul 20 round magazine and a WMD/Drago tactual rifle case.


• Made in the USA!


Guns are not in stock.  They are being preordered and will be shipped once built.  Will be at least 10 weeks.


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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.