Aero Precision AR15 Complete Upper 16" 5.56 M4

Aero Precision AR15 Barreled Upper Assembly

This complete barreled upper receiver delivers the reliability and accuracy Aero Precision is known for, configured as a practical M4-style carbine suitable for sport shooting, training, and home defense.

Key Features

Barrel & Gas System

• 16" 5.56 NATO/.223 Remington chromoly vanadium barrel
• Carbine-length gas system for reliable cycling
• Pinned front sight base (FSB) for permanent zero reference
• Standard A2 flash hider for muzzle control

Upper Receiver & Handguard

• Standard AR15 upper receiver with forward assist and dust cover
• M4-style handguard for ergonomic grip and accessory mounting
• Carbine-length configuration balances handling and sight radius

What's Included

This is a barreled upper assembly only. You will need to source a bolt carrier group and charging handle separately to complete your rifle build.

Ideal For

Builders looking for a proven, no-nonsense upper receiver assembly. The 16" barrel and carbine gas system make this well-suited for shooters who value maneuverability without sacrificing velocity or accuracy. The pinned front sight base provides a solid foundation for iron sight shooting or optic mounting.

Aero Precision components are manufactured to exacting standards and backed by their reputation for quality and customer service.