All Buffalo Bore 9mm P ammunition is loaded with flash suppressed powder so you wont be blinded if you have to drop the hammer in low light. Over 90 percent of all human shootings are in low light so flashed suppressed powder can be a life saver as no one wants to be blind after they fire one shot in a real critical situation. With such a variety of 9mm pistols in public use it is up to you to determine the compatibility of any ammo with your particular pistols.