DealSave 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. from Granite Ridge Outfitters (Product M4E1COMBO-EM-BLK-EM12) |