Aero Precision's M4E1 Lower Receiver showcases billet aesthetics in a forged package, crafted from 7075-T6 aluminum for compatibility with all mil-spec AR15 parts. It features an integrated trigger guard, upper tension screw, and increased magwell flare for quick magazine changes. Ideal for range time and training, Aero Precision is renowned for innovation and quality.

Key Features:
- Manufacturer: Aero Precision
- Model: M4E1
- Caliber: Multi-Caliber
- Condition: New
- Finish Color: Black Anodized
- What's In The Box: Threaded Bolt Catch Roll Pin
- Material: 7075-T6 Aluminum