223 Remington Upper Receivers

Ar-15 Qrb 1 Pin Upper Receiver Takedown Kit - Qrb 1 Pin Upper Receiver Takedown Kit Mid-Length Gas Tube

Bravo Company MFG (BCM) AR-15 Upper Receiver BFH(.2.23/5.56) 11.5

Bravo Company MFG (BCM) MK2 Standard Complete Upper W/RAIDER-M13 Handguard

Mil-Sport Ar15 Stripped Upper Receiver - Mil Sport Ar-15 Stripped Upper Receiver 16'''' Bbl Black

Anderson Manufacturing AR15-A3 Stripped Upper Receiver with Parts Kit

Aero Precision - M4E1 No Forward Assist Assembled Upper Receiver - 16\" Barrel - .223/5.56 - APAR612218M7

Ar-15 Stripped Upper Receivers - Ar-15 Stripped Upper Receiver No Auto Sear/Forward Assist

M4e1 Superlative Arms Piston Complete Upper Receiver Groups - Piston Upper 16in Barrel 15in Handguard Black

M4e1 Superlative Arms Piston Complete Upper Receiver Groups - Piston Upper 14.5in Barrel 12in Handguard Black