GC_UPC AM UPPER AR15 223REM 16 W.FRONT SIGHT BASE $326.46 - show more like this 14.99 Defense Depot GC_UPC AM UPPER AR15 223REM 16 W.FRONT SIGHT BASE $331.14 B2-K612-AF02 show more like this Calculated in Cart DACK Outdoors GC_UPC AM UPPER AR15 223REM 16 W.FRONT SIGHT BASE $336.99 B2-K612-AF02 show more like this Calculated in cart GunZoneDeals GC_UPC AM UPPER AR15 223REM 16 W.FRONT SIGHT BASE $351.00 B2-K612-AF02 show more like this 14.95 TheGunDock.com GC_UPC AM UPPER AR15 223REM 16 W.FRONT SIGHT BASE $353.53 B2-K612-AF02 show more like this Free shipping over $400 (Excludes Ammo) Gman Sport GC_UPC AM UPPER AR15 223REM 16 W.FRONT SIGHT BASE $365.29 B2-K612-AF02 show more like this Free shipping on orders over $300 Skogen’s Gun Supply GC_UPC AM UPPER AR15 223REM 16 W.FRONT SIGHT BASE $397.05 B2-K612-AF02 show more like this 19.99 The Armory at LTT GC_UPC AM UPPER AR15 223REM 16 W.FRONT SIGHT BASE $432.64 B2-K612-AF02 show more like this Free on Firearms Acute Firearms GC_UPC Anderson M4 5.56 NATO/.223 Rem. Complete Upper Receiver 16 inch Barrel A2 Handguard $469.99 B2-K612-AF02 show more like this $14.99 Gun Processing Fee Sportsman's Guide