The Aero Precision M5 .308 Win Assembled Upper Receiver No Auto Sear Cut For AR-15 Black provides a clean, ready-to-build foundation for your large-frame AR project. Precision machined and finished in a uniform black, this upper comes assembled with a forward assist and ejection port cover so you can move straight to fitting your barrel, handguard, and other components.

This upper receiver is ideal for shooters putting together a dedicated .308 Win rifle for range work, training, or hunting where reliability and consistency matter. Its stripped, optics-ready top rail gives you the flexibility to choose your preferred sighting system while maintaining a streamlined profile. Pair it with a matching lower and quality barrel to create a dependable rifle that reflects Aero Precision’s reputation for thoughtful engineering and solid machining.

Key Features:

• Manufacturer: Aero Precision
• Model: M5 .308 Win Assembled Upper Receiver No Auto Sear Cut For AR-15 Black