CMMG MK4/AR15 Upper Receiver Assembly Midnight Bronze
3 options
- Coyote · Tanfrom $139.99, in stock
- Midnight · Bronze, this page
- Tungstenfrom $139.99, in stock
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CMMG
Overview
The CMMG Mk4 AR-15 Upper Receiver Assembly in Midnight Bronze comes as a stripped assembly, allowing builders to customize it with their choice of components. This upper receiver is designed specifically for the AR-15 platform, providing a solid foundation for various configurations and setups. Builders often incorporate this stylish bronze finish into custom builds aiming for a unique aesthetic.
Specifications
CMMG MK4/AR15 Upper Receiver Assembly Midnight Bronze
3 options
- Coyote · Tanfrom $139.99, in stock
- Midnight · Bronze, this page
- Tungstenfrom $139.99, in stock
August 2026 on GunPartPicker
CMMG MK4/AR15 Upper Receiver Assembly Midnight Bronze ranked #109 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since May 2026. All time, it ranks #254 of the 1,599 upper receivers builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today the one retailer we track has it in stock. Prices barely moved in August 2026, holding around $143.99, so there haven't been real sales lately. Buying today, the lowest price is $143.99 at Optics Planet, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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Frequently Built With
The part most often added in each category by the 4 builds that include this one
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