WMD Guns Uppers Gun Parts
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3 weeks ago
Stripped receiver has WMD’s NiB-X nickel boron coating inside and out to provide an exceptionally tough, ultra-smooth surface finish for outstanding wear resistance and lubricity. A ceramic topcoat is applied for color on the exterior only, leaving the nickel boron exposed inside to keep friction with the bolt carrier to the absolute minimum. Works great with standard carriers, too, but even smoother with nickel boron coated bolt carriers, including WMD’s NiB-X coated carrier, available separately. Cartridge: 204 Ruger, 223 Remington, 5.56 mm NATO Finish: Black Style: Stripped
6 months ago
The WMD NiB-X Stripped Upper Receiver features their trademarked NiB-X coating inside and out for a tough, harder than chrome surface that is extremely corrosion resistant and highly lubricious for outstanding wear resistance. Machined from 7075-T6 forgings, this upper includes M4 feed ramps for reliable feeding, and accepts all standard AR-15 upper receiver parts and barrels.