The benefit of using subsonic ammo is that it's quieter than standard ammunition and makes suppressed fire even more effective, but going subsonic poses a number of challenges for manufacturers. The goal when designing a subsonic round is to reduce the noise of the initial crack caused by expelling gases. To do that, ammo makers design the round to travel at velocities below the speed of sound, which creates another problem altogether. Less velocity means less range. Therefore, subsonic loads are designed to strike the right balance of velocity and bullet weight.
One of the most popular and effective loads is 300 Blackout subsonic. The .30-caliber cartridge was based on the popular 5.56mm NATO, a standard military round, but delivers a similar performance to the larger 7.62mm NATO, also a standard military load. The difference, though, is .300 BLK pairs a large-caliber bullet with a smaller casing. With a 125-grain bullet, the result is a muzzle velocity of 2,215 feet-per-second with 1,360 foot-pounds of energy.
Yet, subsonic ammo isn't limited to specialty cartridges. There are standard loads as well like subsonic 22, subsonic 223, and subsonic 9mm ammo. Shop online for a variety of subsonic, standard, and rimfire ammo at OpticsPlanet.com! Make sure to check out our selection of muzzle devices to get the best performance from subsonic ammunition.