The term “report” generally refers to the sound of a shot fired from a firearm as heard by someone who is not the one firing. The report is a combination of the explosive sound of the cartridge’s primer and powder igniting and exiting the barrel and the sound of the bullet breaking the sound barrier—the so-called “crack-bang.” Depending on the distance from the fired weapon, the report can be heard after the shot is fired since sound travels slower than most fired bullets. Suppressors function to reduce the report by decreasing the explosive sound of the fired round and to make it safer on the shooter’s ears. Suppressors do not, however, reduce the “crack” of a bullet breaking the sound barrier.