The Aero Precision M4E1 Carbine Complete Lower Receiver is engineered with precision and quality, featuring a robust anodized black finish and a mil-spec lower parts kit. This complete lower is designed for ease of use and compatibility with standard AR15 components, making it an ideal choice for range time and training sessions. Aero Precision is renowned for its innovation and quality in firearm manufacturing.

Key Features:
- Manufacturer: Aero Precision
- Model: M4E1
- Caliber: Multi-Caliber
- Action: Semi-Automatic
- Finish Color: Anodized Black
- What's In The Box: M4E1 Lower Receiver, A2 Grip, Mil-spec Parts Kit, AR15 Carbine Receiver Extension, AR15 Carbine Buffer and Spring
- AR15 Accessory: Yes