GC_UPC Aero Precision M5E1 Complete Upper Reciever, .308, 18in Rifle Barrel, 1-10 Twist, 5/8x24 Thread, Free-Float Handguard, Stainless Steel, Cerakote, FDE, APAR308556M26 $774.99 APAR308556M26 show more like this Dvor