US Patent 10386148 Heat displacement tool and method of displacing heat

A heat displacement tool firearm accessory, and a method for mounting such a firearm accessory to a firearm, the heat displacement tool providing a frame, including a base for mounting along a firearm mounting rail, the frame defining a generally hollow core adapted to receive and dissipate firearm barrel heat. The heat displacement tool is at least half the length of the firearm barrel and is capable of being mounted in a location between a firearm barrel and an optic or rear sight, so as to reduce or eliminate barrel mirage.