XTS Complete Upper Receiver, AR-15, 300 BO, 17.5in, 8.5in, Pistol Length, 1-8 Twist, 5/8x24 Thread, M-LOK Handguard, Bird Cage, Black Nitride Finish, Black, XTSCU8300BK XTSCU8300BK

UPC:

767820106687

MPN:

XTSCU8300BK