Seekins NX15 6mm ARC 18" Complete Upper 0011100133-F

GEISSELE Freedom 6mm ARC 16" 8rd - Black

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

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

BEAR CREEK ARSENAL 300 B/O COMPLETE UPPER 7.5 BRL 1:7 TWIST PISTOL LENGTH GAS MLOK

LWRC SIX8 PSD Complete Upper Receiver 6.8 REM SPC 8.5" - Black

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

CMMG Banshee Mk4 AR-15 Upper Group .338 ARC 10.5" Barrel Black