Aero Precision's PISTON UPPER 18IN SS BARREL 15IN HANDGUARD SS SEMI-ONLY showcases exceptional engineering with its Superlative Arms Piston Kit, designed for seamless integration and superior performance. This complete upper receiver group features a robust design, anodized finish, and a medium contour 18-inch stainless steel barrel, ensuring reliability and ease of use.

Ideal for range time and training, this upper receiver is perfect for suppressor hosts or those who prefer minimal maintenance. Aero Precision is renowned for its innovative designs and high-quality manufacturing.

Key Features:
- Manufacturer: Aero Precision
- Model: PISTON UPPER 18IN SS BARREL 15IN HANDGUARD SS SEMI-ONLY
- Caliber: 223 Wylde
- Condition: New
- Action: Semi-automatic
- Finish Color: Anodized Black
- Barrel Length: 18"
- Number of Magazines: N/A
- Capacity: N/A
- Optic Footprint: N/A
- Unique Features: Superlative Arms Piston Kit, Adjustable Gas Block
- Night Sights: No
- External Safety: No
- Threaded Barrel: Yes
- What's In The Box: Upper Receiver
- Weight: N/A
- Length: N/A
- Width: N/A