Aero Precision presents the AR15 20" 5.56 Complete Upper with Pinned FSB, designed for precision and reliability. This upper features a 20" 5.56 NATO barrel with a 1:7 twist rate, crafted from 4150 Chrome Moly Vanadium with a QPQ finish for corrosion resistance. The rifle-length gas system ensures smooth cycling, while the A2 handguard and detachable carry handle offer classic military styling.

Ideal for competitive shooting and hunting, this upper receiver is a testament to Aero Precision's commitment to quality and innovation. It allows for customization with the exclusion of a BCG and charging handle, catering to individual preferences.

Key Features:
- Manufacturer: Aero Precision
- Model: AR15 20" Complete Upper
- Caliber: 5.56 NATO
- Condition: New
- Action: Semi-Automatic
- Finish Color: Anodized Black
- Barrel Length: 20"
- Number of Magazines: Not Included
- Capacity: Not Applicable
- Optic Footprint: Not Included
- Unique Features: Pinned FSB, A2 Handguard
- Night Sights: No
- External Safety: No
- Threaded Barrel: No
- What's In The Box: Upper Receiver
- Weight: 66.25 oz
- Length: 32"
- Width: 5"