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

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Rock River Arms First Responder AR-15 556 Nato Carbine LAR-15 FR1072

ALEXANDER ARMS Hunter Complete Upper 6.5 Grendel 18" Blk AR-15

RADIAN WEAPONS Model 1 14in Radian Gray Upper and Handguard Set (R0625)

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CMMG 99B17FD-AB Upper Banshee 9MM 5 Black

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