PSA 11.5" Carbine-Length 5.56 1/7 Nitride 10.5" Lightweight Hex M-LOK Upper w/ BCG & CH FDE

Radical Firearms 16" 5.56 NATO 1:7 Mid-Length SOCOM Barreled Upper - 12" M-LOK FCR Rail - Open Box

Geissele Automatics 5.56 USASOC Improved Complete Near-Clone AR-15 Upper Receiver - Desert Dirt- 10.3" - Open Box

Expo Arms 16" 5.56 NATO AR-15 Barreled Upper Receiver - 15" M-LOK Handguard - A2 Flash Hider - Open Box

AERO PRECISION AR15 5.56 NATO / 223 Rem 20" Complete Upper Receiver w/ Carry Handle | Black

Daniel Defense V7 URG 5.56 NATO Barreled Upper Receiver - 11.5" - Primary Arms Exclusive - Open Box

Geissele Automatics Border Patrol Center Tab MK20 Assembled AR-15 Upper Receiver - 9.6" - BLEMULA

CMMG 55BB40BMB Resolute MK4 5.56x45mm NATO 16.10", Midnight Bronze, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)