Save BIG when you buy the M4E1 Enhanced Upper Receiver and Handguard Combo! Aero Precision's state-of-the-art Enhanced Upper Receiver combines the handguard mounting platform with the upper itself, condensing the parts needed to mount a free-floated handguard to a mere 8 screws. Enhance your build today! Includes: AR15 M4E1 Enhanced Upper Receiver - Anodized Black Enhanced 15" KEYMOD Handguard - Anodized Black Handguard mounting screws Barrel Nut Barrel Nut Wrench from Granite Ridge Outfitters (Product M4E1COMBO-EK-BLK-EK15)

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