“Aero Precision M5E1 Enhanced Assembled Upper Receiver – Anodized Blk” has been added to your cart. View cart HomeGun PartsAR15 PartsAR15 UppersTacFire Stripped Upper Receiver for AR-15 5.56x45mmTacFire Stripped Upper Receiver for AR-15 5.56x45mm$79.00 TacFire Stripped Upper Receiver for AR-15 5.56x45mm Additional information UPC 659725005939 Manufacturer TacFire Manufacturer Part Number UP01-C2 Caliber/Gauge .223 REM/5.56 NATO Product Type Stripped 16 in stock TacFire Stripped Upper Receiver for AR-15 5.56x45mm quantity Buy now Add to WishlistRemove from Wishlist Add to Wishlist