380 Auto 56Gr ARX Self Defense Ammo 250/ Case The Ruger® ARX Self Defense Ammunition uses fluid dynamics instead of expansion to achieve superior terminal performance. The ARX bullets's hydraulic displacement effect is achieved by the ARX® technology. The ARX® flutes – grooves on the nose of the bullet – have wide mouths and narrow exit points. When combined with the bullet’s forward velocity into soft tissue, the design of the ARX® flutes causes an increase in pressure of the fluid. As a result, the fluid is laterally ejected from the flutes at a higher velocity than the actual speed of the bullet itself, creating massive cavitation and wound channels.
The projectiles are injection molded from a specially blended copper/polymaer 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 apart to reduce the risk of collateral damage due to over penetration. Manufacturer: Brownells Model: 380ARXRUG250
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