Aero Precision M4E1 Stripped AR15 Lower- FDE
M4E1 Lower Receiver delivers billet aesthetics in a forged package.
This custom designed enhanced forging is machined from 7075-T6 Aluminum
and compatible with all mil-spec AR15 parts. Aside from the visual
upgrades this custom engineered design provides that challenge much more
expensive billet options, we have added several functional features to
the lower receiver to simplify the assembly process for the at home