Radian Weapons Assembled AR-15 Upper Receiver - 15.5" - Radian Brown

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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

BATTLE ARMS Authority ELite Upper Recv 5.56 10.5" AR-15 Gray

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