The new Generation 3 Hera Commercial Lower GEN.3 is designed to keep the MIL-SPEC fit with a modern design. High Quality 7075-T6 Aluminium makes the HCL Lower Receiver a more rigid platform for modern AR-15 builds. Manufactured on the latest CNC Milling Machines and afterwards hardcoated. All Lowers are providing a Fire and Safe Marking that allowes the Installation of standard Safety Selectors as well as the Installation of our MPSS in a 45 Degree configuration.