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 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
• Laser engraved t-markings
• Includes port door and forward assist

Includes:

• AR15 Assembled Upper Receiver in Anodized Black