Radical Firearms RF-15 Features The Radical Firearms RF-15 stripped lower receiver is forged from 7075-T6 aluminum and finished with a Type III Class 2 hardcoat anodized coating for enhanced wear and corrosion resistance. As a precision AR-15 stripped lower receiver it provides a reliable base compatible with standard AR components across multiple calibers. Stamped with Radical Firearms markings this lower reflects the company's in-house manufacturing approach focused on tight tolerances and consistent quality. Built in Texas it supports a wide range of applications from professional use to competition and enthusiast builds. Radical Firearms RF-15 Specifications Manufacturer: Radical Firearms Model: RF-15 Action: Semi-automatic Type: Stripped Lower Receiver Caliber: Multi-Caliber Barrel Length: N/A Finish: Anodized Color: Black Capacity: N/A