Spikes Tactical Gadsden Lower/Upper Receiver Set, Semi-automatic, 223 Remington/556NATO, Cerakote Finish, Coyote Tan, Includes 13.2 in SAR3 Rail STS1634-PC3S

Spikes Tactical Complete Upper Receiver, 223 Rem/556NATO, 14.5 in Barrel (16 in OAL with Pinned Brake), Mid-length Gas System, Fits AR Rifles, Black, Flat Top Receiver, No Sights, 12 in CRR Quad Rail, Dynacomp Muzzle Brake, No Mags STU5050-CQ2D

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RADIAN WEAPONS Model 1 .223 Wylde 10.5in Black Complete Upper Receiver (R0023)