Spike's Tactical AR-15 Upper Receiver Assembly - Open Box

Aero Precision Complete AR-15 Upper Receiver Parts Kit - Open Box

Aero Precision Stripped AR-15 Upper Receiver - Open Box

Geissele Automatics Super Duty Assembled AR-15 Upper Receiver - BLEMULA

Geissele Automatics Super Duty Center Tab MK16 Assembled AR-15 Upper Receiver - 9.3" - DDC - BLEMULA

Expo Arms Billet PCC Slick Side Stripped AR9 Upper Receiver - Open Box

Expo Arms Lite Barreled AR-15 Upper Receiver - 5.56 - 16" - Open Box

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