The Aero Precision M4E1 Assembled Upper in Olive Drab Green is a testament to precision engineering and design excellence. Crafted from 7075-T6 aluminum, this upper receiver features an anodized finish and a billet-style aesthetic, ensuring both durability and a sleek look. Compatible with standard AR15 components, it's designed for ease of use and superior performance.

Ideal for range time and training, the M4E1 Upper Receiver offers a seamless fit with Aero's Enhanced and ATLAS Series Handguards. Aero Precision is renowned for its innovative designs and commitment to quality, making this upper receiver a reliable choice for firearm enthusiasts.

Key Features:
- Manufacturer: Aero Precision
- Model: M4E1
- Product Type: Upper Receiver
- Finish Color: Olive Drab Green
- Material: 7075-T6 Aluminum
- Unique Features: Billet-style aesthetic, compatible with AR15 components
- What's In The Box: Port door and forward assist pre-installed