Del-Ton AR-15 Complete Upper Receiver Group with Red Dot and Tac Light - 16"

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

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

Sons of Liberty Gun Works SOLGW 14.50" Upper 5.56x45mm M-LOK Rail - Tactical Excellence - M4L89BSCHF14.5

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

BERSA AR-15 300 AAC Blackout 16" 30rd - Black -

Core Elite Ops CEO1504 Special Edition Battle Series Rifle 5.56 NATO AR-15 16" Anodized Blue Steel

Core Elite Ops CEO1503 Battle Series Rifle 5.56 NATO AR-15 16" Midnight Bronze Cerakote