MK318 Mod 1 SOST

 (Special Operations Science Technology) – Designed for USMC special operations, it features a nickel plated reverse drawn jacketed bullet with copper penetrator core weighing 62 Grains, produced by Federal ATK. Provides good all around performance in urban and open fields, less barrier penetration than the M855A1 EPR, but provides a slightly larger and more violent wound cavity in a human body. Was designed to fire from 14.5 inch MILSPEC NATO profile barrels and achieve favorable ballistics out to 550 meters.



5.56×44 NATO


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