These Aero Precision XL Uppers are 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 and Specifications:
- Port door opening enlarged to enhance larger diameter brass ejection (.450 Bushmaster, .458 SOCOM, .50 Beowulf, etc.)
- Features Laser Marked "XL" designation on the upper receiver tang
- Compatible with AR15 Lower receivers
- Compatible with AR15 Port Doors and Forward Assists
- .250 takedown pin holes
- Magpul FDE Cerakote Finish
