16" 300 Blackout Upper

This is a  AR-15 upper receiver with a 12' Quad Rail and 16' Blackout Barrel

The parts included are below:

16' Blackout Barrel

Thread size: 5/8 x 24

12' Quad Rail Hand Guard
Gas Tube, and low pro gas block
Ejection Port Cover
Forward Assist
Flash Suppressor with Crush Washer

Black Anodized