NiBX 5.56 Barrel 16" 1:7 Twist GP Carbine Length Gas System

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Inventory is in short supply. We are taking orders and will manage a backorder list. Most items ship within 4 weeks. NiB-X coating make sure this barrel has the optimal combination of hardness, wear resistance, lubricity, and corrosion resistance.

Product Description

The NiB-X is WMD's proprietary formulation'and a remarkable technology that proves not all nickel boron coatings are created equal. Not only is WMD's coating formula unique; their application process is, as well.

Note: Not available for international sales.


  • The coating has a Rc 70 and a coefficient of friction of .06
  • NiB-X maintains its properties in high temperature applications and is impervious to most chemicals (Nitric Acid notwithstanding). It has the same material properties throughout the structure of the coating so integrity and properties are maintained
  • The 5.56 carbine is a drop for your AR15
  • Made in the USA

WMD Guns
2 lbs
Firearm Brand
Multiple Brands
Firearm Model
Modern Sporting Rifle
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