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
The information below comes from our Gun Caliber Dictionary and is for
general reference only. It does not describe the specifications of this
particular item.
Designed by John Browning, the 380 ACP (9mm Browning Short, 9x17) was introduced by Colt in 1908 and by FN in Europe in 1912. The 380 ACP is much more potent than the 32 ACP and is essentially the world-standard personal defense cartridge for pocket and purse-sized semiautomatic pistols. Bullet diameter is 9mm (.356-inch) with case length of .68-inch. Standard bullet weights vary, but most common are bullets of 85 to 95 grains at velocities from around 900 to 1000 feet per second. More important is recent bullet technology, with modern expanding bullets offering greatly enhanced performance over the full metal jacket bullets of John Browning's day. 380 ACP ammunition is offered by all makers of pistol ammo, and the cartridge is chambered by virtually all makers of small to mid-sized pistols. The 380 ACP is comfortable to shoot in medium-sized pistols, but the smallest 380s currently available can be snappy for inexperienced shooters.
—
Craig Boddington
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