subsonic rounds

Does Atomic Ammunition Cycling Subsonic?

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Does Atomic Ammunition Cycling Subsonic? Cartridge 5.56x45mm NATO Primer Boxer Corrosive No Reloadable Yes Velocity Rating Subsonic Do Special Forces use subsonic ammo? At present, the Defense Department does not have subsonic bullets “classified for use in the calibers provided by any DoD service.” That doesn’t mean special operations forces never use them. Commandos have

How Fast Must A Bullet Travel To Be Supersonic?

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How Fast Must A Bullet Travel To Be Supersonic? When the bullet reaches the speed of sound which is around 1125 fps. at sea level (depending on conditions), the two pressure waves combine into a single shock wave that produces a booming sound when the bullet passes by. How fast does a bullet have to