CMMG Mk4 AR15 Upper Receiver Assembly, Armor Black
Aircraft-grade aluminum upper receiver for AR15 builds. Features integrated polymer dust cover and eliminates forward assist for a streamlined profile. Ready to customize.
Fits: AR15
CMMG Mk4 AR15 Upper Receiver Assembly
This upper receiver represents a thoughtful approach to AR15 customization, built from aircraft-grade aluminum for strength without excess weight.
Key Features
- Armor Black finish for a professional, modern appearance
- Pre-installed polymer dust cover arrives ready for assembly
- Forward assist omitted for a cleaner, more streamlined design
- Precision machined from quality materials
What You Get
A solid foundation for your next AR15 build. The elimination of the forward assist appeals to shooters who prefer a minimalist approach or those building specialized configurations. The pre-installed dust cover means less assembly work and one fewer component to source separately.
Building Your Rifle
This upper receiver pairs with any standard AR15 lower receiver. Whether you're a seasoned builder or new to the platform, this component provides the quality foundation serious shooters expect. The streamlined design accommodates a wide range of barrel lengths and handguard options for maximum versatility in your build.
Start with confidence. Build with precision.
