Daniel Defense AR-15 M4A1 Upper Receiver Assembly 5.56x45mm 14.5″ Pinned Barrel

The Aero Precision M4E1 Threaded Stripped Upper Receiver features the same profile as Aero's other M4E1 upper receivers but is threaded to accept a standard AR-15 barrel nut. Designed to match seamlessly with Aero's M4E1 lower, this upper gives you billet looks without the billet price. Does not include forward assist or port door.

The Aero Precision M5E1 Enhanced Complete Upper features a 15" free floated M-Lok handguard and 20" 416 stainless steel barrel and is chambered in 6.5mm Creedmoor. This complete upper already has the forward assist and port door already installed but does not include a charging handle or bolt carrier group.

Bravo Company BCM, Pistol Lower Group with Receiver, 556NATO, Aluminum Frame, Black Finish, BCMGUNFIGHTER Pistol Grip LRG-PISTOL