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Military Cartridge Section
458 SOCOM
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By SBR, 458 SOCOM, Factory Loaded with
350 grain, Full Metal Jacket
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By SBR, 458 SOCOM, Factory Loaded with
350 grain, Jacketed Hollow Point
                       SOCOM refers to United States Special Operations Command
After the battle in Mogadishu, Somalia in 1993, many officers in SOCOM believed there was a need for a heavier
cartridge than the 5.56 NATO or (223 REM) that would develop more power than the 7.62 NATO or
(308 Winchester) with the surface diameter of the 45-70.
The 458 SOCOM was developed in 1993 by Teppo Jutsu LLC located in "The Woodlands, Texas".
The .458 SOCOM cartridge is for use in the AR-15 Rifle and/or Pistol.
The .458 SOCOM is not based off any existing cartridge, but is similar to an elongated .50 AE case necked down to
.458" See picture.
10 (.458 SOCOM) cartridges will fit in the 30 round 5.56 NATO or (223Remington) AR-15 magazine.
Note the extreme rebated rim.  This is a 350 grain  " Full Metal Jacket " or "Jacketed Hollow Point" projectile that
will move at 1,900 feet per second and develop 2,405 foot pounds of energy.
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