Buy the Patriot Ordnance Factory gas block from BattleHawk Armory! This 9 position adjustable DI gas block provides the ultimate range of adjustability and versatility. The addition of a suppressor typically increases the level of back pressure within the rifle system. This increase will prematurely wear parts and increase the amount of gas/carbon introduced into the chamber. With the Dictator, you can now control that rate of fire, gas flow and ultimately the reliability of your system.