Why Caliber Matters When Choosing a Suppressor Suppressors have never been more popular with American shooters. They reduce the report of a firearm, cut down on muzzle blast, and make range days and hunting trips easier on the ears. But not every cartridge pairs equally well with a suppressor. Case capacity, bullet weight, velocity, and gas volume all affect how a suppressed firearm sounds and feels. If you are shopping for a suppressor, the cartridge you choose will shape your experience as m …

Shop for AR ammo and you'll find one cartridge sold in dozens of loads: different bullet weights, different advertised velocities, and different intended uses. What the box rarely tells you is how that ammunition will behave in your barrel length. Behind every factory cartridge is a powder chosen by the manufacturer to burn at a specific rate for a specific case and a specific barrel length. As a shooter, you can't change that powder, but you can choose the right cartridge and the right load fo …