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CMMG Mk4 AR15 Upper Receiver | Forward Assist Forged | Cerakote
The CMMG Mk4 AR-15 Upper Receiver is forged for strength and precision, featuring an integrated forward assist and durable Cerakote finish. Built for mil-spec compatibility, this stripped upper provides a reliable foundation for your next AR-15 build.
CMMG Mk4 AR-15 Upper Receiver – Cerakote | Forward Assist Forged
The CMMG Mk4 AR-15 Upper Receiver delivers precision machining, durability, and trusted performance in a forged platform designed for serious builders. Manufactured to mil-spec standards, this upper receiver provides dependable compatibility with standard AR-15 components.
Precision forged for structural integrity, this upper features an integrated forward assist to ensure reliable bolt closure when needed. The ultra-durable Cerakote finish enhances corrosion resistance, protects against wear, and provides a clean, professional appearance.
Designed for AR-15 builds based on the Mk4 platform, this stripped upper offers a solid and dependable starting point for custom rifles, performance upgrades, or duty-ready configurations.
Features
- Model: CMMG Mk4 Upper Receiver
- Construction: Forged Aluminum
- Finish: Cerakote Coating
- Forward Assist: Integrated
- Platform: AR-15 / Mk4
- Mil-Spec Compatible
- Made in the USA
Built for Reliable Performance
Whether you're assembling a precision build or upgrading your existing platform, the CMMG Mk4 Cerakote Upper Receiver provides the strength and reliability required for long-term performance.
| Finish | None |
|---|---|
| TMarks | No T-Marks |


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