AR 15 Assembled Upper Receiver - OD Cerakote

GUNTEC AR15 SLABSIDE STRIPPED BILLET UPPER RECEIVER BLACK

Battle Arms Development WH556-URS-ODG Workhorse Upper Receiver Aluminum OD Green Anodized Receiver for AR15/M4

LBE Unlimited M4 Stripped Upper Receiver, Fits AR15, Black Finish ARSTUP

GUNTEC AR15 STRIPPED BILLET - UPPER RECEIVER BLACK

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

Radian Weapons R0027 Complete Upper 300 Blackout 9" Black Barrel, 7075-T6 Aluminum Radian Black Receiver, Extended with Magpul M-LOK Handguard for AR-15

BUSHMASTER QRC Upper 5.56 NATO 16" - Black