Just this week, we had developed a "Low Concussion Muzzle Brake" which we have coined as the LCMB device that tames muzzle blast. What is left of the blast after the suppression is propelled forward away from the shooter. This device is ideal for "close encounters". We developed this device for both calibers 9mm S9-DBB and the 5.56mm S5-DGIS in order to discourage UDMC firearms owners from buying and installing after-market muzzle devices that will only VOID the warranty of the firearms that you bought from us.