A sound suppressor is a device that reduces the sound pressure levels of a firearm being shot.  Also known as a silencer, it doesn't really "silence" a weapon, but does in most cases safe to shoot without hearing protection.  We have all types os suppressors for sale:  for the AR-15 rifle, many pistols such as the 1911, the AR-10, larger caliber rifles, and many other models of firearms, rifles, pistols, even shotguns.