XS Sight Systems AR-GAT MilSpec Flash Hider CSAT Glass Assault Tool. This burst suppressor from XS Sight Systems is an effective device that uses a "C" shaped port to allow gas to be exhausted out the port on the opposite side of the muzzle. When the gas is exhausted off the side of the burst a "D" shaped port will open up and allow the XS Sight Systems to vent the gas in a safer way. The XS Sight Systems AR-GAT Tactical Flash Hider / CSAT Glass Breaker utilizes a multi-port design to provide the user with excellent flash concealment and light transmitting properties. The XS Sight Systems CSAT Glass Breaker/Flash Hider works with a variety of different muzzle brakes/tips and even some factory gas blocks. Experience the XS Sight Systems Advantage in Flash Hiders and Boreshields. For a great way to make sure you are using one of the best devices the AR-15 has to offer choose the XS Sight Systems CSAT Glass Breaker/Flash Hider. Specifications for XS Sight Systems AR-GAT MilSpec Flash Hider CSAT Glass Assault Tool: Manufacturer: XS Sight Systems Color: Matte Black Additional Features: Fits AR-15 Glass Breaker Package Contents: XS Sight Systems AR-GAT MilSpec Flash Hider - CSAT Glass Assault Tool XS Sight Systems GA-0000T-1: AR-GAT MilSpec Flash Hider CSAT Glass Assault Tool