GC_UPC AEROPRECISION M4E1-T COMPLETE UPPER 11.5" 5.56 BARREL MAP - show more like this 14.95 TheGunDock.com GC_UPC AEROPRECISION M4E1-T COMPLETE UPPER 11.5" 5.56 BARREL MAP - show more like this Calculated in cart GunZoneDeals GC_UPC AEROPRECISION M4E1-T COMPLETE UPPER 11.5" 5.56 BARREL MAP - show more like this Free shipping over $400 (Excludes Ammo) Gman Sport GC_UPC Aero Precision M4e1-T Complete Upper 11.5" 5.56 Barrel APAR700702M29 815421027754 $433.36 APAR700702M29 show more like this Firearms $18.45, Free over $500 Shooting Surplus GC_UPC AERO PRECISION M4E1-T 5.56 NATO 11.5" Complete Upper Receiver | Black $454.99 APAR700702M29 show more like this Most Firearms ship for FREE KyGunCo GC_UPC Aero Precision M4e1-T Atlas R-One Complete Upper Receivers 5.56mm - Ar-15 M4e1-T 11.5 In Atlas R-One Assemble Upper 5.56mm Blac $454.99 APAR700702M29 show more like this additional Brownells GC_UPC Aero Precision Threaded Upper Receiver, M4E1, 5.56, 11.5 inch Barrel, 9 inch M-LOK ATLAS R-ONE Handguard, A2 Flash Hider, Anodized Black, APAR700702M29 $454.99 APAR700702M29 show more like this Dvor