7075-T6 forged aluminum upper receiver with mil-spec dimensions, Type III hardcoat anodize, and M4 feed ramps. Stripped configuration for complete customization of your AR build.
This stripped upper receiver represents the foundation of a quality AR-15 build. Radical Firearms has engineered this component to deliver the durability and precision you need for reliable performance.
7075-T6 Forged Aluminum provides superior structural strength compared to billet or cast alternatives. This aerospace-grade alloy offers an optimal balance of weight savings and rigidity—critical for a receiver that must maintain tight tolerances under firing stresses.
The Type III hardcoat anodized finish enhances corrosion resistance and improves long-term wear durability, protecting your investment through years of use.
This receiver arrives without charging handle, bolt carrier group, or forward assist—giving you complete control over your build. Whether you're assembling a precision rifle, a tactical carbine, or a specialized platform, you can select components that match your specific needs and preferences.
Ideal for experienced builders and those new to AR customization, this receiver accepts standard AR-15 components and integrates seamlessly into any mil-spec build.