Noveske Rifleworks N4 DDF Extra Thicc Afghan Complete AR-15 Upper Receiver - 6mm ARC - 14.5"

RADIAN WEAPONS Model 1 .223 Wylde 10.5in Black Complete Upper Receiver (R0023)

RADIAN WEAPONS Model 1 .223 Wylde 14.5in Black Complete Upper Receiver (R0024)

RADIAN WEAPONS Model 1 .223 Wylde 16in Black Complete Upper Receiver (R0025)

RADIAN WEAPONS Model 1 6mm ARC 14.5in Radian Black Complete Upper (R0898)

DANIEL DEFENSE DDM4V7 S 5.56 NATO Complete Upper Receiver (23-128-00275-047)

RADIAN WEAPONS Model 1 6mm ARC 18in Radian Black Complete Upper (R0903)

Wraithworks Billet Slick Side AR-15 Upper Receiver - Black | No Forward Assist or Brass Deflector