Aero Precision introduces the M4E1 PRO Lower Receiver, a marvel of engineering and design. Crafted from solid 7075-T6 aluminum, this lower receiver features fully ambidextrous controls, allowing seamless operation of the bolt catch, magazine release, and safety without altering your grip. Ideal for AR-15 builds, it offers customization freedom with preinstalled proprietary components compatible with mil-spec parts. Aero Precision is renowned for its innovation and quality in firearm manufacturing.

Key Features:
- Manufacturer: Aero Precision
- Model: M4E1 PRO Lower Receiver
- Finish Color: Anodized Black
- Compatibility: AR-15 Components and Magazines
- Controls: Ambidextrous
- Material: 7075-T6 Aluminum
- Unique Features: Preinstalled proprietary components
- What's In The Box: Stripped Lower Receiver, Bolt Catch Assembly, Magazine Release Assembly