GEN 2 COMPLETE UPPER 13.9'' INTERMEDIATE GAS W/A2 FLASH HIDER

AERO PRECISION M4E1-T 5.56 NATO 11.5" Complete Upper Receiver | Black

Sons of Liberty Gun Works L89 Combat V2 AR-15 13.7" Pinned CMV 5.56 NATO Assembled Upper Receiver w/ NOX-9 Flash Hider

GUNTEC AR15 SLABSIDE STRIPPED BILLET UPPER RECEIVER BLACK

AERO PRECISION M5 Complete Upper 22" 6.5 CM SS Fluted SM15 Ano

AERO PRECISION M5 20" .308 CMV Complete Upper Receiver w/ ATLAS S-ONE M-Lok 15" Handguard

BEAR CREEK ARSENAL 5.56 NATO COMPLETE UPPER 10. BRL 1:7 TWIST CARBINE LENGTH GAS MLOK

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