RUGER AR Stripped Upper Receiver (91004)

RUGER AR Upper Receiver Assembly (91003)

WILSON COMBAT AR-15 Forged Stripped Upper Receiver (TR-UPPER)

Nordic Components NC15 Extruded Stripped Upper, Fits AR15, Blk Finish, Upper Receiver Eliminates Dust Cover/Forward Assist, Compatible with Milspec BCGs/Charging Handles/Barrels/Most Handguards, Flat Top Picatinny Rail, 7029-T6 Alm, 10oz NC15-UR-EXT

YANKEE HILL MACHINE Stripped A3 Anodized Upper Receiver (YHM-110)

SPIKE'S AR15 Forged Upper (SFT50M4)

Spike's Tactical Flat Top Upper w/Ejection Port Door, 9MM, Black Finish SFT902D

Luth-AR A3 Upper Receiver Parts Kit URPK-A3