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Questions & Answers
Customer Reviews
Helpful Positive Review Near perfect. by Demun, Verified Owner, March 15, 2025
WMD Guns quality control is A+. top tier mil spec upper. Properly machined... and NiB-X applied for an outstanding finish. I got (NRA Blue)!!
1/1 found this helpful
Helpful Positive Review Slick like Pauly Ds hair. by NB19, December 18, 2021
This NiB coating is just that slick. It feels so smooth with no rough edges for your comfort. No lube needed for real. The fit it like a glove. Real snug and tight for that prefect fit. Not to big but not to loose. This upper is like Paris Hilton sai...
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3/3 found this helpful
Helpful Negative Review Don't get the topcoated items, overspray everywhere in the inside and the barrel area is rough by Jim M, Verified Owner, November 2, 2022
Don't get the topcoated items, overspray everywhere in the inside and the barrel area is rough Wanted to like this, if they would have just taped off the part and not oversprayed the entire inside and barrel seat it might have been great. Would not...
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4/4 found this helpful
Most Recent Reviews nice solid upper by BOBBY, Verified Owner, March 12, 2025
Great colors if you want your AR to stand out and must be some kind of cerakote does not cone off� solid construction feels good in the hand operates as it should BCG slides tight and solidly for the price and color choices go for it �
Most Recent Reviews hit and miss product by Ryan Campbell, Verified Owner, March 9, 2024
The nib coating is slick but needs the ceracoat finish scrubbed out. The nib coating has no purpose on the outside of the receiver. In fact it keeps the ceracoat from bonding properly and as a result, the ceracoat scratches quite easily. I have rattl...
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1/2 found this helpful
Most Recent Reviews Solid so far by Zak Heaton, Verified Owner, March 3, 2023
Mated with a STNGR hand-guard, Seekins adjustable gas block, Griffin Armament bolt, and Hughes Ballistics Primus barrel. Smooth as silk functioning so far. Haven’t test fired, but have ran dummies through function test with no hiccups.
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Product Info for WMD Guns AR-15 Stripped NiB-X Complete Upper Receiver

NiB-X A3/A4 Upper Receiver w/M4 Feed Ramps, Forged, Stripped with Ceramic Color Topcoat. Ideal building block for a long lasting AR15. This 7075 T6 Aluminum forged Mil Spec stripped receiver with M4 feed ramps has NiB-X coating inside and out to provide an exceptionally tough, ultra-smooth surface finish for outstanding wear resistance and lubricity. NiB-X is almost twice as hard as anodize and has a much lower coefficient of friction. Topcoated on the outside only with a ceramic color coating leaving NiB-X exposed on the inside wear surfaces. Standard colors are available. A matching topcoated NiB-X charging handle is a perfect complement for this upper receiver.image

Specifications for WMD Guns AR-15 Stripped NiB-X Complete Upper Receiver:

Manufacturer: WMD Guns
Finish: NiB-X
Gun Make: AR Platform
Gun Model: AR-15
Condition: New

Package Contents:

  • WMD Guns AR-15 Stripped NiB-X Complete Upper Receiver

WMD Guns AR-15 Stripped NiB-X Complete Upper Receiver Orderable Models

List of Orderable Models

WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Black, 1-NIBXUF-Black , MPN: 1-NIBXUF-Black , UPC: 855899003041 , Code: 1UX-UPR-UR5S-1-NIBXUF-BLACK
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Crimson, 1-NIBXUF-Crimson , MPN: 1-NIBXUF-Crimson , Code: 1UX-UPR-UR5S-1-NIBXUF-CRIMSON
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Northern Lights, 1-NIBXUF-Northern Lights , MPN: 1-NIBXUF-Northern Lights , Code: 1UX-UPR-UR5S-1-NIBXUF-NORTHERN-LIGHTS
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, NRA Blue, 1-NIBXUF-NRA Blue , MPN: 1-NIBXUF-NRA Blue , Code: 1UX-UPR-UR5S-1-NIBXUF-NRA-BLUE
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Nickel, 1-NIBXUF , MPN: 1-NIBXUF , UPC: 855899003225 , Code: 1UX-UPR-UR5S-1-NIBXUF
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Burnt Bronze, 1-NIBXUF-Burnt Bronze , MPN: 1-NIBXUF-Burnt Bronze , Code: 1UX-UPR-UR5S-1-NIBXUF-BURNT-BRONZE
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Flat Dark Earth, 1-NIBXUF-Flat Dark Earth , MPN: 1-NIBXUF-Flat Dark Earth , UPC: 855899003058 , Code: 1UX-UPR-UR5S-1-NIBXUF-FLAT-DARK-EARTH
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, OD Green, 1-NIBXUF-OD Green , MPN: 1-NIBXUF-OD Green , Code: 1UX-UPR-UR5S-1-NIBXUF-OD-GREEN
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, White, 1-NIBXUF-White , MPN: 1-NIBXUF-White , Code: 1UX-UPR-UR5S-1-NIBXUF-WHITE
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Jesse James Green, 1-NIBXUF-Jesse James Green , MPN: 1-NIBXUF-Jesse James Green , Code: 1UX-UPR-UR5S-1-NIBXUF-JESSE-JAMES-GREEN
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Hunter Orange, 1-NIBXUF-Hunter Orange , MPN: 1-NIBXUF-Hunter Orange , Code: 1UX-UPR-UR5S-1-NIBXUF-HUNTER-ORANGE
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Pink Sherbert, 1-NIBXUF-Pink Sherbert , MPN: 1-NIBXUF-Pink Sherbert , Code: 1UX-UPR-UR5S-1-NIBXUF-PINK-SHERBERT
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Cobalt, 1-NIBXUF-Cobalt , MPN: 1-NIBXUF-Cobalt , Code: 1UX-UPR-UR5S-1-NIBXUF-COBALT
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Titanium Blue, 1-NIBXUF-Titanium Blue , MPN: 1-NIBXUF-Titanium Blue , Code: 1UX-UPR-UR5S-1-NIBXUF-TITANIUM-BLUE
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Aztec Teal, 1-NIBXUF-Aztec Teal , MPN: 1-NIBXUF-Aztec Teal , Code: 1UX-UPR-UR5S-1-NIBXUF-AZTEC-TEAL
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Robbin Egg Blue, 1-NIBXUF-Robbin Egg Blue , MPN: 1-NIBXUF-Robbin Egg Blue , Code: 1UX-UPR-UR5S-1-NIBXUF-ROBBIN-EGG-BLUE
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Battle Grey, 1-NIBXUF-Battle Grey , MPN: 1-NIBXUF-Battle Grey , UPC: 3433515 , Code: 1UX-UPR-UR5S-1-NIBXUF-BATTLE-GREY
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Corvette Yellow, 1-NIBXUF-Corvette Yellow , MPN: 1-NIBXUF-Corvette Yellow , Code: 1UX-UPR-UR5S-1-NIBXUF-CORVETTE-YELLOW
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Prison Pink, 1-NIBXUF-Prison Pink , MPN: 1-NIBXUF-Prison Pink , Code: 1UX-UPR-UR5S-1-NIBXUF-PRISON-PINK

WMD Guns AR-15 Stripped NiB-X Complete Upper Receiver Unavailable & Discontinued Models

List of Unorderable Models

WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Marine Corp Red, 1-NIBXUF-Marine Corp Red , MPN: 1-NIBXUF-Marine Corp Red , Code: 1UX-UPR-UR5S-1-NIBXUF-MARINE-CORP-RED
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Purple, 1-NIBXUF-Purple , MPN: 1-NIBXUF-Purple , Code: 1UX-UPR-UR5S-1-NIBXUF-PURPLE
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Black Cherry, 1-NIBXUF-Black Cherry , MPN: 1-NIBXUF-Black Cherry , Code: 1UX-UPR-UR5S-1-NIBXUF-BLACK-CHERRY
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Zombie Green, 1-NIBXUF-Zombie Green , MPN: 1-NIBXUF-Zombie Green , Code: 1UX-UPR-UR5S-1-NIBXUF-ZOMBIE-GREEN
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Firehouse Red, 1-NIBXUF-Firehouse Red , MPN: 1-NIBXUF-Firehouse Red , Code: 1UX-UPR-UR5S-1-NIBXUF-FIREHOUSE-RED
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, Stripped, NiB-X, Coyote Tan, 1-NIBXUF-Coyote Tan , MPN: 1-NIBXUF-Coyote Tan , Code: 1UX-UPR-UR5S-1-NIBXUF-COYOTE-TAN
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