New Cartridge Developments and Implications for Dismounted Infantry Soldiers

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However good it might be for civilian defensive pistol ammo, it doesn't appear suitable for general purpose, military rifle/machine gun applications.

The ARX™ is injection molded from a specially blended lead free, copper/polymer matrix that is designed to be tough enough to penetrate soft targets and tissue, but when it encounters tougher barriers it is designed to break up to reduce the risk for collateral damage due to over penetration.

Even though the ARX™ is lighter and travels at much higher velocities than conventional bullets, it will not defeat soft body armor.