CMMG Upper Receiver Assembly MK4/AR15 Forward Assist Tungsten
All CMMG upper receivers3 options
- Coyote · Tanout of stock
- Midnight · Bronzeout of stock
- Tungsten, this page
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CMMG
Overview
The CMMG Upper Receiver Assembly Mk4 is a stripped upper designed for the AR-15 platform, allowing builders to customize their firearm from the ground up. Its tungsten color provides a distinct aesthetic while maintaining compatibility with a wide range of components and accessories. This upper receiver is often used in precision or tactical builds where a unique color scheme is desired.
Specifications
CMMG Upper Receiver Assembly MK4/AR15 Forward Assist Tungsten
3 options
- Coyote · Tanout of stock
- Midnight · Bronzeout of stock
- Tungsten, this page
Available Merchants(1)
Prices checked
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Build history on GunPartPicker
Builders on GunPartPicker first added the CMMG Upper Receiver Assembly MK4/AR15 Forward Assist Tungsten to a build in August 2026.
Today the one retailer we track is out of stock. Listed prices start at $129.99 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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