Upper Receivers

The Aero Precision XL Upper is forged from 7075-T6 aluminum and features an enlarged ejection port, the XL Upper Receiver is your best choice when you're planning a build to send big rounds down range. Features: Port door opening enlarged to enhance...

Aero Precision AR15 Atlas R-One M-LOK Handguard FDE  The ATLAS R-ONE is the newest addition to the Aero Precision Handguard lineup. Machined from 6061-T6 Aluminum, the R-ONE line of handguards are designed with size and weight in mind,...

  Aero Precision M4E1 Threaded Assembled Upper Receiver - FDE Cerakote The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same...