Aero Precision APAR611310AC Assembled XL Receiver 7075T6 Aluminum Black Anodized Receiver for AR15

The Aero Precision XL Upper is forged from 7075T6 aluminum and features an enlarged ejection port. The XL Upper Receiver is your best choice when youre planning a build to send big rounds down range. Features Port door opening enlarged to enhance larger diameter brass ejection laser marked XL designation on the upper receiver tang .250 takedown pin holes and laser engraved tmarkings. Compatible with AR15 Lower receivers AR15 Port Doors and Forward Assists. Works with standard AR15M16 components. Includes port door and forward assist. NOTE: Requires charging barrel handguard gas block muzzle device gas tube and BCG Bolt Carrier Group to complete.