Bravo Company BFH Barreled AR-15 Upper Receiver 5.56 14.5" P/W MCMR-13

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

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AERO PRECISION M4E1 Threaded Complete Upper 16" 5.56 Barrel w/ 15" M-LOK ATLAS R-ONE Handguard - BLK

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TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit - 14.5"