GC_UPC Spike's Tactical AR-15 Upper/Lower Receiver Only 223 Remington/5.56mm NATO Gun Metal Grey Mil-Spec $193.79 STS1515 show more like this Additional WholesaleH GC_UPC Spikes Tactical Stripped Upper/Lower Set Gray 5.56 $198.99 STS1515 show more like this 9.99 GrabAGun.com GC_UPC Spikes Tactical AR-15 Upper and Lower Stripped Receiver Set Aluminum Grey STS1515 $229.50 STS1515 show more like this 19.95 Cheaper Than Dirt GC_UPC Spikes Tactical Upper/Lower Receiver .223 Remington AR Lower, Gray - STS1515 $234.00 STS1515 show more like this $18 Firearms Palmetto State Armory GC_UPC Spike's Tactical Stripped Lower/Upper Set - Gray $234.00 STS1515 show more like this Calculated in Cart Primary Arms