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    Machined to mil-spec dimensions, our lowers work with standard AR15 components and ensure the highest quality with a correct component interface.
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Complete Uppers

Complete Uppers

Added

Aero Precision M4E1 18" 5.56 EM15 Complete Upper Receiver

M4E1 Enhanced 18" 5.56 Rifle Length Complete Upper Receiver

Added

Aero Precision AR15 Gen 2 Complete Upper, 18" 5.56 Rifle Length Barrel, 15" M-LOK ATLAS S-ONE Handguard, FDE Cerakote

M4E1 Threaded 18" 5.56 Complete Upper Receiver w/S-ONE Handguard

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