WMD Guns AR-15 A3/A4 Upper Receiver Forged w/M4 Feed Ramps Stripped NIB-X NRA Blue 1-NIBXUF-NRA Blue
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WMD Guns
Overview
The WMD Guns AR-15 A3/A4 Upper Receiver is a stripped, forged receiver designed for the AR-15 platform, featuring M4 feed ramps that enhance reliability during feeding and cycling. Its striking blue finish not only adds a unique aesthetic but also provides a durable surface that stands up to wear. This upper receiver is frequently utilized in mid-length gas system builds chambered in .223 Wylde, making it a versatile choice for builders looking to combine performance with a distinctive look.
Specifications
WMD Guns AR-15 A3/A4 Upper Receiver Forged w/M4 Feed Ramps Stripped NIB-X NRA Blue 1-NIBXUF-NRA Blue
Available Merchants(1)
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Stock Alert
Build history on GunPartPicker
Builders have added the WMD Guns AR-15 A3/A4 Upper Receiver Forged w/M4 Feed Ramps Stripped NIB-X NRA Blue 1-NIBXUF-NRA Blue to their builds on GunPartPicker. Since April 2026, it ranks #458 of the 2,067 upper receivers builders have added.
It was out of stock everywhere we track every time we checked in October 2026, and today the one retailer we track is out of stock. Listed prices start at $139.99 at Optics Planet for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Rise Armament Super Sporting AR15/10 Single Stage Trigger - Flat - Dtom Special Edition
Strike Industries Strike Rail AR-15 M-LOK Handguard - Blue - 15.5"
Spike's Tactical Stripped AR-15 Lower Receiver - Snowflake - Color Filled
Strike Industries Latchless Charging Handle - Red
Wilson Combat .300 Blackout 8" Match Grade 6 Groove Barrel, Matte Bead Blasted Stainless - TR-300SBRPG8RT7
Fortis Manufacturing Torque Carbon Fiber Pistol Grip - Blue
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the WMD Guns AR-15 A3/A4 Upper Receiver Forged w/M4 Feed Ramps Stripped NiB-X NRA Blue 1-NIBXUF-NRA Blue
| Build | Parts | Total |
|---|---|---|
 | 19 | $2202.20 |
 | 16 | $1055.97 |
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