458 SOCOM UPPERS

The 458 SOCOM is a "maximum stopping power" round for the AR15 platform developed by Tromix with the US Special Operations Command after finding that multiple shots were often required to incapacitate Somali combatants in Mogadishu. 458 SOCOM ammunition is available with lighter (250 grain), supersonic projectiles and heavier (450-600 grain) subsonic projectiles that can be effectively suppressed. Short-barrel and long-barrel configurations are possible depending on the expected tactical situation. A 458 SOCOM specific bolt (or bolt carrier group) and upper receiver are required, and we recommend using metal magazines.

Any 458 SOCOM Upper Receiver we sell can be configured to your specifications before adding it to the cart.  We offer matched muzzle devices, rails, bolt carrier groups, magazines, and charging handles to make your 458 SOCOM Upper Assembly turn key and ready to shoot out of the box.

AR15Parts.com components are sourced from top US manufacturers including Aero Precision, Anderson Manufacturing, Ballistic Advantage, Shaw Barrels, Swan Machine, Wilson Arms, Wilson Combat, ZRO Delta, and others. Each upper assembly has options to select Rail, Muzzle Device, Bolt Carrier Group (BCG), Charging Handle, and Magazine. Additional parts are available individually on our website.


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