This complete upper receiver from Aero Precision includes all the essentials to finish off your next AR-15 build. The 15″ M-LOK handguard provides plenty of room for all the attachments you need, and the 16″ 5.56 NATO chambered barrel combined with a mid-length gas system should handle any ammunition in either 5.56 NATO or .223 Remington.
- M4E1 Enhanced Assembled Upper Receiver
- 15″ Enhanced M-LOK Handguard
- 16″ 5.56 Mid-Length CMV Barrel
- Low-profile Gas Block and Mid-length Gas System
- Standard AR-15 Charging Handle
- 5.56 Black Nitrided Bolt Carrier Group
- A2 Birdcage Flash Hider
Product comes already assembled, only requiring installation with a completed lower receiver by inserting the front and rear takedown pins after properly mounting the upper receiver.