Aero Precision's M4E1 300BLK ASSM UPPER GOV 8''BBL PISTOL-LENGTH THREADED BLK is a testament to precision engineering and robust design. Crafted for the AR-15 platform, this upper receiver features a sleek anodized black finish and an 8-inch .300 Blackout barrel, ensuring optimal performance and reliability. The enhanced handguard provides a secure grip and ample space for accessories, making it a versatile choice for enthusiasts.

Ideal for range shooting and hunting, the M4E1 upper receiver is praised for its ergonomic design and solid performance with both supersonic and subsonic ammunition. Aero Precision is renowned for its innovation and commitment to quality, making this upper receiver a top choice for builders seeking excellence.

Key Features:
- Manufacturer: Aero Precision
- Model: M4E1 300BLK ASSM UPPER GOV 8''BBL
- Caliber: .300 Blackout
- Condition: New
- Action: Semi-Automatic
- Finish Color: Anodized Black
- Barrel Length: 8"
- Number of Magazines: N/A
- Capacity: N/A
- Optic Footprint: N/A
- Unique Features: Enhanced Handguard, Low Profile Gas Block
- Night Sights: No
- External Safety: No
- Threaded Barrel: Yes
- What's In The Box: Upper Receiver, Handguard, Barrel, Gas Block, Gas Tube
- Weight: 1.125 lbs
- Length: 8"
- Width: N/A