.458 SOCOM Upper Assemblies
AR-15 .458 SOCOM Uppers
.458 SOCOM upper assemblies are AR-15 platform upper configurations chambered for the .458 SOCOM cartridge. Browse available pistol-length and rifle-length models with different barrel lengths, handguard designs, finishes, and muzzle configurations. Moriarti offers big-bore upper assemblies with model-specific components and specifications. Review individual product listings for barrel materials, receiver details, included components, and configuration information. Complete firearms and .458 SOCOM kits are listed separately.
FAQ: Do all .458 SOCOM upper assemblies include a bolt carrier group and charging handle?
No. Included components vary by product and manufacturer. Check the individual upper assembly listing to confirm whether a bolt carrier group, charging handle, and other components are included.
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.458 SOCOM 10.5" Faxon Gunner Upper – 10" M-LOK
The Moriarti .458 SOCOM upper assembly features a 10.5-inch Faxon Gunner-profile barrel manufactured..
.458 SOCOM 10.5" Upper – 10" M-LOK, Linear Comp
The Moriarti .458 SOCOM 10.5-inch upper assembly is an AR-15 platform configuration featuring a 10.5..
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.458 SOCOM 10.5" Tanker Upper – Color Series
The Moriarti .458 SOCOM 10.5" Tanker Upper combines big-bore AR-15 performance with distinctive styl..
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.458 SOCOM 16" Tanker Upper – Color Series
The Moriarti .458 SOCOM 16" Tanker Upper combines a full-length big-bore AR-15 upper configuration w..
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.458 SOCOM 16" Upper – Diverter Series
The Moriarti .458 SOCOM 16" Diverter Series Upper combines a full-length big-bore barrel configurati..
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AR-15 .458 SOCOM 16" Faxon Gunner Upper Assembly – 12" M-LOK | Magnum
The Moriarti AR-15 .458 SOCOM upper assembly features a 16-inch Faxon Firearms Gunner-profile barrel..
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Moriarti AR-15 .458 SOCOM 16" Upper Assembly | MLOK Rail | FDE
The AR-15 .458 SOCOM 16" Black Upper Assembly offers powerful performance with a sleek design, perfe..
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AR-15 .458 Socom 18" 4150 CMV Upper Assembly / 15" Mlok
AR-15 .458 Socom 18" 4150 CMV Upper Assembly / 15" Mlok . This upper assembly is com..