Aero Precision AR15 XL Assembled Upper Receiver, 815421027440, APAR611310AC

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.

AR15 XL Assembled Upper Receiver Specifications 

• Model:XL
• Firearm Type:AR-Platform
• Receiver Finish:Black Anodized
• Receiver Material:7075 T6 Aluminum
• Weight:8.35 oz
• 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