B&T USA Impuls-9-M, Suppressor, 9MM, Titanium Construction, Anodized Finish, Gray, Includes 1/2x28 Impuls Device SD-Impuls-OLS-M Renowned as one of the most trusted and widely used handgun suppressors worldwide, the B&T Impuls line has cemented its status with NATO special operations units and military forces across the globe. Why do so many manufacturers approve the Impuls series for use with their pistols? Because when they provide a suppressor with a handgun, any potential issues fall under the firearm manufacturer's responsibility not the suppressor producer.