Every 458 SOCOM Upper we sell can be configured to your specifications. Customize your 458 SOCOM Complete Upper with an optic, muzzle device, rail, bolt carrier group, magazine, or charging handle from our matched selection. Your 458 SOCOM AR 15 Upper Receiver will arrive turn-key and ready to shoot out of the box.

458 SOCOM is a "maximum stopping power" round for the AR15 platform that runs supersonic (250 grain) or subsonic (450-600 grain). Short-barrel, long-barrel and suppressed configurations are possible with this versatile round.

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