Aero Precision M4E1 Multi-Caliber AR15 Receiver Flat Dark Earth

Aero Precision M4E1 Receiver Flat Dark Earth Cerakote — 7075‑T6 AR‑15 Stripped Lower

The Aero Precision M4E1 Receiver in Flat Dark Earth Cerakote is a premium, mil‑spec compatible AR‑15 stripped lower machined from forged 7075‑T6 aluminum. Built to deliver billet aesthetics with forged strength, this FDE‑finished M4E1 lower streamlines assembly, improves ergonomics, and provides a durable, corrosion‑resistant foundation for multi‑caliber builds and custom rifle projects.

Key Features

• Forged 7075‑T6 aluminum construction for excellent strength‑to‑weight and long service life
• Flat Dark Earth Cerakote finish for tough corrosion resistance and low‑glare tactical styling
• Mil‑spec dimensions ensure compatibility with standard AR‑15 lower parts kits, buffers, and stocks
• Integrated trigger guard for added rigidity and snag‑free handling with gloves
• Increased flared magwell for faster, more reliable magazine changes under stress
• Threaded bolt catch pin included for straightforward, robust installation
• Rear takedown pin detent recess threaded for 4‑40 set screw — simplifies detent installation
• Nylon‑tipped upper tensioning set screw to tune upper/lower fit and reduce play
• Stripped lower design lets you install your preferred lower parts kit, buffer system, and stock

Specifications

• Brand: Aero Precision
• Model: M4E1 Receiver (Stripped Lower)
• Category: Lowers / AR‑15 Receiver
• Firearm Fit: AR‑15 (multi‑caliber compatible)
• Material: 7075‑T6 Forged Aluminum (machined)
• Finish: Flat Dark Earth Cerakote
• Includes: Threaded bolt catch pin; nylon‑tipped tensioning set screw
• Type: Stripped lower (requires lower parts kit, buffer & stock)
• Compatibility: Mil‑spec AR‑15 lower parts kits, takedown/pivot pin lug pattern
• Trigger: None (stripped)
• Weight: ~8.60 oz (stripped)

The Aero Precision M4E1 Receiver in Flat Dark Earth Cerakote is a refined, builder‑friendly lower that combines smart assembly features with durable materials and a premium finish — an ideal starting point for custom AR‑15 builds that demand both form and function.