Aero Precision M4E1 Stripped Lower FDE | APAR600002C

The Aero Precision M4E1 stripped lower receiver is machined from 7075-T6 aluminum and finished in Flat Dark Earth Cerakote. It combines enhanced forging-derived aesthetics with functional machining to simplify assembly for at-home AR-15 builders. The design is intended for mil-spec AR-15 compatibility and is suitable for custom range builds and competition applications.

Product Specifications

• The manufacturer is Aero Precision.
• The model is the M4E1 Stripped Lower Receiver.
• The manufacturer part number is APAR600002C.
• The UPC is 815421022322.
• The material is machined from 7075-T6 Aluminum.
• The finish is Flat Dark Earth Cerakote.
• The product type is Stripped lower receiver.
• This component is compatible and works with standard AR-15 components and magazines.
• The lower includes a nylon-tipped tensioning set screw and a threaded bolt catch pin.
• The receiver features an integrated trigger guard for increased rigidity.
• The design includes a threaded bolt catch roll pin to simplify installation.
• The lower has an upper tension screw to fine tune upper/lower fit.
• The takedown pin detent recess is threaded for a 4-40 set screw to ease installation.
• The exterior dimensions are 2.15 x 4.25 x 9.00 inches.
• This item is not for sale to Illinois PICA.

The M4E1 lower blends practical engineering with builder-focused features: integrated trigger guard, increased magwell flare, and tensioning hardware that help produce a tight-fitting, durable AR-15 foundation. Its Cerakote finish and 7075-T6 construction give a robust starting point for a precision-oriented build or a competition/range-focused rifle project.