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WMD Guns AR-15 NiB-X Complete Upper Receiver Up to 10% Off w/ Free Shipping — 7 models

WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Black, 1-NIBXURF-Black
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, OD Green, 1-NIBXURF-OD Green
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Prison Pink, 1-NIBXURF-Prison Pink
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Titanium Blue, 1-NIBXURF-Titanium Blue
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Pink Sherbert, 1-NIBXURF-Pink Sherbert
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Zombie Green, 1-NIBXURF-Zombie Green
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
WMD Guns AR-15 NiB-X Complete Upper Receiver, Aztec Teal, Black, Black Cherry, Cobalt, Corvette Yellow, Firehouse Red
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Black, 1-NIBXURF-Black
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Black, 1-NIBXURF-Black
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Black, 1-NIBXURF-Black
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WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Black, 1-NIBXURF-Black
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, OD Green, 1-NIBXURF-OD Green
2 of 15 images
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, OD Green, 1-NIBXURF-OD Green
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Prison Pink, 1-NIBXURF-Prison Pink
3 of 15 images
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Prison Pink, 1-NIBXURF-Prison Pink
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Titanium Blue, 1-NIBXURF-Titanium Blue
4 of 15 images
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Titanium Blue, 1-NIBXURF-Titanium Blue
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Pink Sherbert, 1-NIBXURF-Pink Sherbert
5 of 15 images
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Pink Sherbert, 1-NIBXURF-Pink Sherbert
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Zombie Green, 1-NIBXURF-Zombie Green
6 of 15 images
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Zombie Green, 1-NIBXURF-Zombie Green
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
7 of 15 images
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
WMD Guns AR-15 NiB-X Complete Upper Receiver, Aztec Teal, Black, Black Cherry, Cobalt, Corvette Yellow, Firehouse Red
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WMD Guns AR-15 NiB-X Complete Upper Receiver, Aztec Teal, Black, Black Cherry, Cobalt, Corvette Yellow, Firehouse Red
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Black, 1-NIBXURF-Black
9 of 15 images
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Black, 1-NIBXURF-Black
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Black, 1-NIBXURF-Black
10 of 15 images
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Black, 1-NIBXURF-Black
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
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WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
12 of 15 images
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
13 of 15 images
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
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WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt
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WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt

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Questions & Answers
What is the difference between the complete upper receiver and the stripped lower? I'm wanting the Corvette Yellow

A complete upper receiver comes with the forward assist and the dust door already installed and the stripped receiver doesn't.

by Sammys gotagun, Verified Owner, January 27, 2023
Is this thermal fitted ? Can you answer this question?
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Negative Review
AR-15 NiB-X Complete Upper Receiver Orange color by Joe, Verified Owner, February 1, 2025
the Orange one came not well painted it.. You can still see darkness in all over the unit.. I purchased other ones such as Blue and two red ones and came perfect on the painting job but the Orange one is terribly painting work, I would NOT comment th...
Read More...
1/2 found this helpful
Most Recent Reviews
upper ar15 by Chunkymonkey270, Verified Owner, January 21, 2026
Good for the money great parts. Gor this for my wife she love it
Read All 2 Reviews
7 Models Available
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Product Info for WMD Guns AR-15 NiB-X Complete Upper Receiver

NiB-X A3/A4 Upper Receiver w/M4 Feed Ramps, Forged, 7075 T6 Mil Spec forging with M4 feed ramps. Built out with a topcoated NiB-X ejection port cover door and forward assist. Ideal building block for a long lasting AR15. This 7075 T6 Aluminum forged Mil Spec 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. A ceramic color topcoat is then applied to the outside of the receiver only. Leaving the inside wear resistant and lubricious. Add an NiB-X charging handle and NiB-X bolt carrier group to compete the upper receiver.image

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

Manufacturer: WMD Guns
Muzzle Device: No
Finish: NiB-X
Fabric/Material: 7075-T6 Aluminum
Gun Type: Rifle
Gun Make: AR Platform
Gun Model: AR-15
Condition: New

Package Contents:

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

What firearm models does the manufacturer say WMD Guns AR-15 NiB-X Complete Upper Receiver is compatible with?

The manufacturer says that WMD Guns AR-15 NiB-X Complete Upper Receiver is compatible with AR-15

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

List of Orderable Models

  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Black, 1-NIBXURF-Black , MPN: 1-NIBXURF-Black , Code: 1UX-URC-A3UR-1-NIBXURF-BLACK
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Titanium Blue, 1-NIBXURF-Titanium Blue , MPN: 1-NIBXURF-Titanium Blue , Code: 1UX-URC-A3UR-1-NIBXURF-TITANIUM-BLUE
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Cobalt, 1-NIBXURF-Cobalt , MPN: 1-NIBXURF-Cobalt , Code: 1UX-URC-A3UR-1-NIBXURF-COBALT
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Pink Sherbert, 1-NIBXURF-Pink Sherbert , MPN: 1-NIBXURF-Pink Sherbert , Code: 1UX-URC-A3UR-1-NIBXURF-PINK-SHERBERT
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Zombie Green, 1-NIBXURF-Zombie Green , MPN: 1-NIBXURF-Zombie Green , Code: 1UX-URC-A3UR-1-NIBXURF-ZOMBIE-GREEN
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, OD Green, 1-NIBXURF-OD Green , MPN: 1-NIBXURF-OD Green , Code: 1UX-URC-A3UR-1-NIBXURF-OD-GREEN
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Prison Pink, 1-NIBXURF-Prison Pink , MPN: 1-NIBXURF-Prison Pink , Code: 1UX-URC-A3UR-1-NIBXURF-PRISON-PINK

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

List of Unorderable Models

  • USED, WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Hunter Orange, 1-NIBXURF-Hunter Orange , MPN: 1-NIBXURF-Hunter Orange-EDEMO , Code: 1UX-URC-A3UR-1-NIBXURF-HUNTER-ORANGE-EDEMO-SC-D
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Firehouse Red, 1-NIBXURF-Firehouse Red , MPN: 1-NIBXURF-Firehouse Red , Code: 1UX-URC-A3UR-1-NIBXURF-FIREHOUSE-RED
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Marine Corp Red, 1-NIBXURF-Marine Corp Red , MPN: 1-NIBXURF-Marine Corp Red , Code: 1UX-URC-A3UR-1-NIBXURF-MARINE-CORP-RED
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Hunter Orange, 1-NIBXURF-Hunter Orange , MPN: 1-NIBXURF-Hunter Orange , Code: 1UX-URC-A3UR-1-NIBXURF-HUNTER-ORANGE
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Aztec Teal, 1-NIBXURF-Aztec Teal , MPN: 1-NIBXURF-Aztec Teal , Code: 1UX-URC-A3UR-1-NIBXURF-AZTEC-TEAL
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Jesse James Green, 1-NIBXURF-Jesse James Green , MPN: 1-NIBXURF-Jesse James Green , Code: 1UX-URC-A3UR-1-NIBXURF-JESSE-JAMES-GREEN
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Northern Lights, 1-NIBXURF-Northern Lights , MPN: 1-NIBXURF-Northern Lights , Code: 1UX-URC-A3UR-1-NIBXURF-NORTHERN-LIGHTS
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Black Cherry, 1-NIBXURF-Black Cherry , MPN: 1-NIBXURF-Black Cherry , Code: 1UX-URC-A3UR-1-NIBXURF-BLACK-CHERRY
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Corvette Yellow, 1-NIBXURF-Corvette Yellow , MPN: 1-NIBXURF-Corvette Yellow , Code: 1UX-URC-A3UR-1-NIBXURF-CORVETTE-YELLOW
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, NRA Blue, 1-NIBXURF-NRA Blue , MPN: 1-NIBXURF-NRA Blue , Code: 1UX-URC-A3UR-1-NIBXURF-NRA-BLUE
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Flat Dark Earth, 1-NIBXURF-Flat Dark Earth , MPN: 1-NIBXURF-Flat Dark Earth , Code: 1UX-URC-A3UR-1-NIBXURF-FLAT-DARK-EARTH
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Battle Grey, 1-NIBXURF-Battle Grey , MPN: 1-NIBXURF-Battle Grey , Code: 1UX-URC-A3UR-1-NIBXURF-BATTLE-GREY
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Burnt Bronze, 1-NIBXURF-Burnt Bronze , MPN: 1-NIBXURF-Burnt Bronze , Code: 1UX-URC-A3UR-1-NIBXURF-BURNT-BRONZE
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Coyote Tan, 1-NIBXURF-Coyote Tan , MPN: 1-NIBXURF-Coyote Tan , Code: 1UX-URC-A3UR-1-NIBXURF-COYOTE-TAN
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Crimson, 1-NIBXURF-Crimson , MPN: 1-NIBXURF-Crimson , Code: 1UX-URC-A3UR-1-NIBXURF-CRIMSON
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Purple, 1-NIBXURF-Purple , MPN: 1-NIBXURF-Purple , Code: 1UX-URC-A3UR-1-NIBXURF-PURPLE
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, Robbin Egg Blue, 1-NIBXURF-Robbin Egg Blue , MPN: 1-NIBXURF-Robbin Egg Blue , Code: 1UX-URC-A3UR-1-NIBXURF-ROBBIN-EGG-BLUE
  • WMD Guns AR-15 A3/A4 Upper Receiver Forged, w/M4 Feed Ramps, NiB-X, White, 1-NIBXURF-White , MPN: 1-NIBXURF-White , Code: 1UX-URC-A3UR-1-NIBXURF-WHITE
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