Lower Receivers

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This lower receiver features Benjamin Franklin's political cartoon "Join, or Die" engraved on the magwell. The 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. There are added functional features to the lower receiver to simplify the assembly process for the at home builder. Blemished parts are not subject to Aero Precision warranty.

The EPC-9 Lower Receiver delivers billet aesthetics in a forged package for your next pistol caliber build. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and has several functional features, much like the M4E1, to help simplify the assembly process for the at home builder.

Our AR15 Gen 2 Stripped Lower Receiver is the perfect base for your custom AR15 build. Machined to mil-spec dimensions, our lowers work with standard AR15 components and ensure the highest quality with a correct component interface. This is a blemished product and may have minor imperfections in the receiver or finish. Blemished products do not qualify for warranty due to aesthetic imperfections.

Our AR15 Gen 2 Stripped Lower Receiver is the perfect base for your custom AR15 build. Machined to mil-spec dimensions, our lowers work with standard AR15 components and ensure the highest quality with a correct component interface. This is a blemished product and may have minor imperfections in the receiver or finish. Blemished products do not qualify for warranty due to aesthetic imperfections.

UPC: 815421020373

The AERO Gen 2 stripped lower receiver is the perfect base for your custom AR-15 build. Machined to mil-spec dimensions, Aero lowers work with standard AR-15 components and ensure the highest quality with a correct component interface. The Gen 2 has improvements such as nylon tension screws that allow for a tighter fit between the upper and the lower. The Magwell size has also been increased. The lower is machined from 7075-T6 forged aluminum and has a black anodized finish.