US Patent 8047115 Flash suppression system

A flash suppression system for increasing the reliability of an autoloading firearm has a body having a central bore including the front opening and a rear opening. The rear opening of the body terminates in a conical feature having a front opening and a rear opening. The central bore of the body receives the rear opening of a conical element. The rear opening of the conical element is positioned within the central bore of the body to create a gap between the front opening of the conical feature and the rear opening of the conical element. The front opening of the conical feature has a larger diameter than the rear opening of the conical element.